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Built on ISFDB, Wikipedia, Wikidata and Open Library. Curated reading orders carry their reasoning on the page; the rest follow publication order. Data sources & licenses

© Loreful · data: ISFDB · CC BY

More like Frontlines: Evolution

anchored on:science fictionmilitary science fictionspacefar future

but

Mood

The mood the book leaves you in.

  • The reading experience is propelled by journeys, exploration, and physical risk; excitement and forward momentum dominate over dread or introspection.
  • Joy and loss are deliberately mixed; the resolution grants characters something real while taking something else away, leaving warmth and sorrow together.
  • The book demands work from the reader — dense prose, difficult structure, unfamiliar ideas, or morally uncomfortable material — as part of its intended effect.
  • Grim events, cruelty, or despair dominate the atmosphere, and the book does not soften them with comfort or comic relief.
  • The atmosphere is quietly unsettling — wrongness, unease, and the uncanny pervade the book without necessarily escalating into overt horror.
  • The book is built to move the reader; character feeling is foregrounded and major scenes aim at a strong emotional response.
  • Humor is a primary aim and the prose plays for laughs — comic situations, wit, or dialogue produce sustained comedy, not occasional levity.
  • The book insists that things can improve; effort and decency are shown to matter, and the arc bends toward better outcomes even through hardship.
  • The book teaches as it goes — real facts, history, science, or craft are conveyed in enough depth that learning is part of the reading experience.
  • The book is designed to uplift and motivate, presenting perseverance or achievement in a way that invites the reader to aspire or act.
  • The overall register is cheerful and easygoing; stakes are kept gentle and the book avoids dwelling on pain or dread.
  • Withheld information drives the experience; the book sustains enigmas and secrets the reader wants resolved, whatever its genre.
  • The book is contemplative and inward-looking, giving more weight to thought, memory, and meaning than to external events.
  • The book works as comfort reading — low tension, a soothing pace, and an atmosphere the reader can unwind in.
  • Grief, loss, or melancholy set the dominant register, and the book lets sorrow stand rather than resolving it into comfort.
  • Sustained suspense is the point; the book keeps the reader braced for what happens next through danger, pressure, or impending revelation.
  • Playful invention and charm define the register — fanciful conceits, light absurdity, and a narration that delights in its own oddity.

About

What the story runs on.

  • Stories in which extraterrestrial beings are central — as characters, cultures, or the object of the plot.
  • Stories about venturing into space to explore — survey missions, astronauts, and the frontier of the unknown beyond Earth.
  • Stories about minds with paranormal abilities — telepathy, telekinesis, precognition, empathy — and how societies handle those who have them.
  • Stories structured as a quest — a journey undertaken to find, deliver, or destroy something of great import.
  • Stories in which staying alive against nature, catastrophe, or scarcity is the central problem.
  • Stories of lovers kept apart by law, family, faith, or station, where the obstacle to love is the plot.
  • Stories of growing up — a young protagonist crossing from childhood into adult knowledge and responsibility.
  • Stories about who a character truly is — self-discovery, doubled lives, and the search for a self.
  • Stories driven by maneuvering for power — factions, conspiracies, and statecraft conducted in shadow.
  • Stories about rising against rulers — uprisings, resistance movements, and revolutions and their aftermaths.
  • Stories in which war itself is the subject — combat, occupation, and what warfare does to soldiers and civilians.
  • Stories organized around investigating a killing — the case, the clues, and the pursuit of the killer, in any genre's clothing.

Shelf

Where it sits in the library.

    • Fiction built on magic or other supernatural elements that have no scientific explanation.
    • Secondary-world fantasy at large scale, where the fate of nations or the world turns on the protagonists' struggle.
    • Fantasy set in a recognizably modern city or contemporary world where the supernatural intrudes on everyday life.
    • Fantasy that blends in horror's atmosphere and imagery, keeping a fantastical frame around grim or frightening material.
    • Action-driven fantasy following warriors or rogues with personal stakes against sorcerous threats, rather than world-spanning conflicts.
    • Fantasy set in a real historical period or a close analogue of one, with magic woven into the era.
    • Fantasy in which protagonists cross from the ordinary world into another world through a portal or similar passage.
    • Fiction that retells or reworks a traditional fairy tale in a new form or setting.
    • Fantasy drawing directly on myths, legends, and folklore, retelling them or building on their figures and logic.
    • Fantasy of ghosts, vampires, shapeshifters, psychics, and similar phenomena, usually set in an otherwise ordinary world.
    • Fiction mixing science-fictional trappings with overtly magical or impossible elements in one setting.
    • Low-stakes fantasy emphasizing comfort, community, and everyday pleasures over conflict and peril.
    • Speculative fiction of pervasive moral ambiguity, violence, and cynicism that rejects heroic conventions — fantasy and SF alike.
      • Fiction that extrapolates from science and technology — future societies, space travel, or speculative inventions — within at least nominally natural laws.
      • Science fiction of interstellar scope — starships, galactic polities, and adventure across star systems.
      • Science fiction committed to scientific rigor, where technical plausibility constrains the story.
      • Science fiction centered on armed forces and warfare, told largely from a military point of view.
      • Science fiction of networked, corporate-dominated near futures, pairing high technology with social decay.
      • Science fiction styled on nineteenth-century steam-powered technology, often in a Victorian or pseudo-Victorian setting.
      • Fiction depicting an oppressive or catastrophic society, presented as a warning.
      • Fiction set after civilization's collapse, following survivors in the ruins of the old world.
      • Fiction in which characters move between past and future, and the mechanics or consequences of that travel drive the plot.
      • Fiction exploring a world where a historical event went differently and history diverged from ours.
      • Science fiction about humanity's first encounter and communication with an alien intelligence.
      • Science fiction in which extraterrestrial forces attack or occupy Earth and humanity resists.
      • Fiction whose primary aim is to frighten or unsettle the reader through dread, menace, or the monstrous.
      • Horror of vast, indifferent, incomprehensible entities before which humanity is insignificant, in the Lovecraft tradition.
      • Horror of decaying houses, buried family secrets, and oppressive atmosphere in the Gothic literary tradition.
      • Horror centered on hauntings and the returning dead.
      • Horror located in the mind — paranoia, obsession, and unreliable perception rather than external monsters.
      • Horror built around the reanimated dead and survival amid their outbreaks.
      • Horror defined by explicit, transgressive gore that refuses to cut away from violence.
      • Speculative fiction of the strange and uncanny that resists both natural explanation and standard genre categories.
      • Fiction organized around solving a crime or puzzle, typically following an investigator toward the identification of a culprit.
      • A puzzle-first mystery that lays out clues so the culprit's identity can be deduced before the reveal.
      • Crime fiction of moral ambiguity, fatalism, and hard-edged style, set among the corrupt and the doomed.
      • A mystery following the realistic routines of police work — forensics, interviews, and case-building.
      • A gentle mystery with an amateur sleuth, a small community, and violence kept off the page.
      • A mystery set in a past era, where the investigation works within that period's methods and society.
      • Fast-paced fiction driven by imminent danger, pursuit, or high-stakes conspiracy, built to sustain tension.
      • A thriller of espionage — agents, tradecraft, and intelligence services in conflict.
      • A thriller centered on lawyers and the courtroom, where litigation carries the suspense.
      • A thriller driven by detailed contemporary or near-future technology, often military or scientific.
      • A thriller whose tension comes from mental states and manipulation between characters rather than external action.
      • Fiction whose central plot is a romantic relationship and its development toward an emotionally satisfying resolution.
      • Romance in which one or both partners are supernatural beings, blending fantasy elements into the love story.
      • A fantasy-romance hybrid in which the romantic arc and the fantasy plot carry equal weight.
      • Romance set in a past era, with courtship shaped by the period's society and manners.
      • Romance set in the present day, without supernatural or historical elements.
      • Fiction set in a real past period, where the historical setting materially shapes characters and events.
        • General and literary fiction emphasizing prose style, character interiority, or formal ambition over genre plot conventions.
        • Fiction in a realistic world where magical events occur and are treated as ordinary, in the tradition of Latin American literature.
        • Fiction that ridicules people, institutions, or society in order to criticize them.
        • Fiction of dreamlike, irrational imagery and logic that breaks from realistic representation.
        • Fiction that plays with narrative convention through metafiction, fragmentation, and self-reference.
        • Fiction propelled by journeys, exploration, and physical peril, where action and survival carry the plot.
        • Adventure fiction of ships and seafaring — naval engagements, voyages, and life at sea.
        • Fiction of the American frontier West — gunmen, ranchers, and lawmen, typically in the late nineteenth century.
        • Fiction centered on soldiers, campaigns, and the experience of warfare, historical or imagined.
          • Fiction written primarily to amuse, using comedic situations, wit, or parody as its organizing principle.
            • Multi-generational fiction following a family or dynasty across decades, with inheritance and kinship as the through-line.
              • Fiction whose world runs on explicit game mechanics — levels, stats, and skills that characters can see and exploit.
                • Fiction about costumed or superpowered heroes and their conflicts with comparable villains.

                Practical

                How long a commitment, whether it stands alone, and whether it has finished.

                Tap a chip to ask for it · tap again to rule it out · once more to clear. Numbers show what would be left.

                • Cover of Moties
                  Moties

                  series · 4 books · 1974

                  part of CoDominium

                  similar byfar futurescience fictionspaceother star systems+3 more

                  Larry Niven and Jerry Pournelle's The Mote in God's Eye (1974) depicts humanity's first contact with an alien species, the Moties, set within the far-future interstellar setting of Pournelle's codominium future history. The Gripping Hand continues that first-contact crisis years later, and Outies, written by J. R. Pournelle, carries the story forward into a new generation. Together the three books trace an escalating encounter between human and Motie civilizations within the codominium universe.

                • T
                  Thistledown

                  series · 5 books · 1978

                  completed

                  similar byspace explorationfar futurescience fictionspace+2 more

                • Cover of Uplift
                  Uplift

                  series · 5 books · 1980

                  part of Uplift Universe

                  similar byfar futurescience fictionspaceother star systems+2 more

                  David Brin's Uplift trilogy opens with Sundiver, sending human explorers into the Sun itself, then follows a dolphin-crewed starship on the run from hostile aliens in Startide Rising and a fight over the colony world Garth in The Uplift War. The books sit inside Brin's wider Uplift Universe, built on the idea that spacefaring "patron" species genetically engineer younger "client" species into full sapience, with humanity an anomaly that reached the stars without a patron of its own.

                • Cover of Ender Wiggin
                  Ender Wiggin

                  series · 14 books · 1977

                  part of Ender's Game Universe

                  similar byfar futurescience fictionother star systems+2 more

                  Orson Scott Card's Ender's Game (1985, expanded from his 1977 novella) follows child prodigy Andrew "Ender" Wiggin as he is recruited into a military training program built to prepare Earth's defenses for an anticipated third war against an insectoid alien species known as the Formics. The saga continues years later through Speaker for the Dead and Xenocide, following an older Ender as he confronts the moral weight of his role in that earlier conflict, and concludes the core arc in Children of the Mind, with Ender in Exile filling in the years between the first two books. Set within the wider Ender's Game universe, the series shifts from military coming-of-age story to slower, more philosophical science fiction as it progresses.

                • Cover of Uplift Universe
                  Uplift Universe

                  universe · 13 books · 1980

                  Start hereUplift · Start here

                  similar byfar futurescience fictionspaceother star systems+2 more

                  No species, the Galactics insist, ever climbs to sapience alone. For a billion years the elder races have "uplifted" their chosen clients — reshaping some promising animal, gene by patient gene, into a thinking being, then binding it through long ages of indenture. Patron lifts client; client one day becomes patron; and every lineage traces back through the vast Galactic Library to the vanished Progenitors who began it all. Then a ragged band of primates arrives at the stars with no patron to claim them — wolflings, self-made, an affront to a hundred thousand years of law — and worse, these humans have already started uplifting neighbors of their own: the neo-dolphins and neo-chimpanzees of Earthclan. David Brin builds this galaxy across two trilogies. The first — Sundiver, the Hugo- and Nebula-winning Startide Rising, and the Hugo-winning The Uplift War — sends an expedition into the Sun, then follows the dolphin-crewed survey ship Streaker as it flees a discovery that sets fanatical star-clans at war, and a chimp-led resistance on an invaded colony world. The second sequence, Uplift Storm — Brightness Reef, Infinity's Shore, Heaven's Reach — descends to Jijo, a forbidden world where six fallen races hide as illegal settlers, and draws every loose thread toward a reckoning. Short fiction fills the margins. This is space opera with an ecologist's conscience: teeming with invented biologies, wry cross-species banter, and real unease about what we owe the minds we make. Begin with Startide Rising — the saga's beating heart, and readable on its own — or take Sundiver first and read straight through in publication order.

                • Cover of Beyond the Frontier
                  Beyond the Frontier

                  series · 5 books · 2011

                  part of The Lost Fleet

                  similar byfar futurescience fictionspacemilitary science fiction+1 more

                  Jack Campbell's Beyond the Frontier is a continuation of his Lost Fleet series, returning to fleet commander John "Black Jack" Geary after his earlier, century-spanning ordeal helped save the Alliance from its long war with the Syndicate. Dreadnaught, Invincible, Guardian, Steadfast, and Leviathan send Geary's fleet outward past explored space, where interstellar politics shift from Alliance-Syndicate rivalry toward contact with unknown, more dangerous forces. It keeps the original series' emphasis on realistic fleet tactics and command decision-making under uncertainty.

                • Cover of Central Control
                  Central Control

                  series · 2 books · 1953

                  completed

                  similar byfar futurescience fictionspaceother star systems+3 more

                  Andre Norton's Central Control novels are a loose future history that sketches the rise of a galactic empire through events echoing Norton's own reading of Terran history rather than following one continuing cast. Star Rangers follows the crew of a crashed Stellar Patrol scoutship who, after entangling themselves in a local rebellion on what seems an unknown world, discover they have found humanity's long-lost original homeworld, Terra. Star Guard and Star Soldiers extend the same shared background with their own separate stories.

                • Cover of Forever War
                  Forever War

                  series · 10 books · 1972

                  similar byfar futurescience fictionspacemilitary science fiction+3 more

                  Joe Haldeman's The Forever War (1974) follows a soldier conscripted into a centuries-long interstellar war against the alien Taurans, using relativistic space travel so that months spent in transit correspond to years or decades passing back on Earth. Haldeman later returned to the same conflict in Forever Peace (1997), a thematically connected but separate story, and Forever Free (1999), a direct sequel set years after the original war's end. The first novel won the Hugo, Nebula, and Locus awards and is considered a foundational work of military science fiction.

                • HC
                  Heaven Chronicles / Zones of Thought

                  series · 8 books · 1976

                  similar byfar futurescience fictionspace+2 more

                • Cover of Ocean / Galactic Center
                  Ocean / Galactic Center

                  series · 12 books · 1972

                  similar byfar futurescience fiction+5 more

                  The Galactic Center Saga is a series of books by author Gregory Benford detailing a galactic war between mechanical and biological life.In the Ocean of Night (1977) — 1977 Nebula Award nominee, 1978 Locus Award nominee Across the Sea of Suns (1984) Great Sky River (1987) — 1988 Nebula Nominee Tides of Light (1989) — 1990 Locus Award nominee Furious Gulf (1994) Sailing Bright Eternity (1996) "A Hunger for the Infinite" a novella published in the anthology Far Horizons

                • Cover of Ender's Shadow
                  Ender's Shadow

                  series · 5 books · 1999

                  part of Ender's Game Universe

                  similar bytensefar futurescience fictionwar+3 more

                  Orson Scott Card's Ender's Shadow retells the events of Ender's Game from the perspective of Bean, a physically stunted but ferociously intelligent street child recruited into the same Battle School program as Ender Wiggin. It launches the Shadow series, which follows Bean and other secondary Battle School characters into the political aftermath of the Formic Wars back on Earth, running parallel to and eventually past the timeline of Card's main Ender Quintet.

                • Cover of Commonwealth Saga
                  Commonwealth Saga

                  series · 2 books · 2004

                  part of Commonwealth Universe

                  similar bytensefar futurescience fiction+3 more

                  The Commonwealth Saga is a series of science fiction novels by British science fiction writer Peter F. Hamilton. This saga consists of the novels Pandora's Star (2004) and Judas Unchained (2005). Hamilton has also written several books set in the same literary universe. Misspent Youth (2002) takes place 340 years before the events of Pandora's Star. The Void Trilogy, consisting of The Dreaming Void (2008), The Temporal Void (2009), and The Evolutionary Void (2010), takes place 1,200 years after the events of Judas Unchained; several of the main characters from Judas Unchained and Pandora's Star also appear in the Void trilogy.

                • Cover of Xeelee
                  Xeelee

                  series · 89 books · 1987

                  similar byfar futurescience fictionspace+3 more

                  The Xeelee Sequence is a series of hard science fiction novels, novellas, and short stories written by British author Stephen Baxter. The series spans billions of years of fictional history, exploring humanity's future expansion into the universe, its intergalactic war with the Xeelee, a supremely advanced Kardashev Type V alien civilization, and the Xeelee's own conflict with dark matter entities known as Photino Birds. The Xeelee are described as symbiotic entities composed of spacetime defects, Bose–Einstein condensates, and baryonic matter.

                • Cover of Ringworld
                  Ringworld

                  series · 5 books · 1970

                  part of Known Space

                  similar byspace explorationfar futurescience fictionspaceother star systems

                  The Ringworld series is a series of science fiction novels written by American author Larry Niven. It is part of his Known Space series of stories. Its backdrop is the Ringworld, a giant artifact 3 million times the surface area of Earth circling a star. The series is composed of four standalone science fiction novels, the original award-winning book and its three sequels:1970: Ringworld 1979: The Ringworld Engineers 1996: The Ringworld Throne 2004: Ringworld's Children

                • Cover of Skyward
                  Skyward

                  series · 9 books · 2018

                  part of Cytoverse

                  similar byfar futurescience fictionspaceother star systems+2 more

                  On the ruined world of Detritus, humanity lives underground beneath near-constant aerial bombardment from an alien force called the Krell, and Spensa Nightshade wants nothing more than to fly a starfighter, despite her father's reputation as a coward who fled battle. Brandon Sanderson's Skyward follows her fight to earn her wings and clear her father's name, uncovering secrets about her own strange abilities and the planet's buried past across Starsight, Cytonic, and Defiant. Co-author Janci Patterson contributes companion novellas that widen the view to supporting characters.

                • Cover of First Formic War
                  First Formic War

                  series · 3 books · 2012

                  part of Ender's Game Universe

                  similar bytensefar futurescience fictionspacewarmilitary science fiction+2 more

                • Cover of RCN
                  RCN

                  series · 15 books · 1998

                  completed

                  similar bytensefar futurescience fictionspacewarmilitary science fictionother star systems

                  David Drake's RCN series follows Daniel Leary, an officer in the Republic of Cinnabar Navy, and Adele Mundy, a librarian who moonlights as a spy, across a run of standalone-but-connected novels beginning with With the Lightnings. Drake and reviewers alike have framed it as an SF version of Patrick O'Brian's Aubrey/Maturin novels, and it plays that way: political intrigue and shipboard command dynamics carry as much weight as the space battles. It's more character-driven than Drake's harder-edged Hammer's Slammers work.

                • Cover of Old Man's War
                  Old Man's War

                  series · 16 books · 2005

                  similar byfar futurescience fictionspacewarmilitary science fictionother star systems+1 more

                  The Old Man's War series is a series of science fiction novels by John Scalzi. The first book in the series, Old Man's War, was first published in 2005 by Tor Books, and was nominated for the Hugo Award for Best Novel in 2006. In 2026 it was a finalist for the Hugo Award for Best Series.

                • Cover of Heechee
                  Heechee

                  series · 19 books · 1972

                  completed

                  similar byspace explorationfar futurescience fictionspaceother star systems

                  The Heechee Saga, also known as the Gateway series, is a series of science fiction novels and short stories by Frederik Pohl. The Heechee are an advanced alien race that visited the Solar System hundreds of millennia ago and then mysteriously disappeared. They left behind bases containing artifacts, including working starships, which are discovered and exploited by humanity.

                • Cover of Company Wars
                  Company Wars

                  series · 7 books · 1981

                  part of Alliance-Union Universe

                  similar bytensefar futurescience fictionspace+1 more

                  Company Wars gathers the novels C. J. Cherryh set during the breakaway conflict between Earth's colonial Company and the newly independent Union, within her wider Alliance-Union future history. Anchored by the Hugo Award-winning Downbelow Station, the books follow different ships, stations, and crews caught on either side, from merchanter traders to military spacers, rather than a single continuing cast. Read in any order, they build up a picture of the political and economic pressure that reshapes Cherryh's larger Alliance-Union universe.

                • Cover of Tour of the Merrimack
                  Tour of the Merrimack

                  series · 6 books · 2005

                  similar bytensefar futurescience fictionspacewarmilitary science fictionother star systems+1 more

                • Cover of Legion of Space
                  Legion of Space

                  series · 7 books · 1947

                  completed

                  similar byfar futurescience fictionspaceother star systems+2 more

                  The Legion of Space is a space opera science fiction series by American writer Jack Williamson. The story takes place in an era when humans have colonized the Solar System but dare not go farther, as the first extra-solar expedition to Barnard's Star failed and the survivors came back as babbling, grotesque, diseased madmen. They spoke of a gigantic planet, populated by ferocious animals and the single city left of the evil "Medusae". The Medusae bear a vague resemblance to jellyfish, but are actually elephant-sized, four-eyed, flying beings with hundreds of tentacles. The Medusae cannot speak, and communicate with one another via a microwave code.

                • Cover of Cities in Flight
                  Cities in Flight

                  series · 10 books · 1950

                  completed

                  similar byfar futurescience fictionspace+2 more

                  Cities in Flight is a four-volume series of science fiction novels and short stories by American writer James Blish, originally published between 1950 and 1962, which were first known collectively as the "Okie" novels. The series features entire cities that are able to fly through space using an anti-gravity device, the spindizzy. The stories cover roughly two thousand years, from the very near future to the end of the universe. One story, "Earthman, Come Home", won a Retro Hugo Award in 2004 for Best Novelette. Since 1970, the primary edition has been the omnibus volume first published in paperback by Avon Books. Over the years James Blish made many changes to these stories in response to points raised in letters from readers.

                • Cover of Honorverse
                  Honorverse

                  universe · 83 books · 1993

                  Start hereHonor Harrington · Start here

                  similar byfar futurescience fictionspacemilitary science fictionother star systems+2 more

                  The wedge comes up, the sidewalls burn to life, and two walls of battle close across light-minutes of empty vacuum trading missile broadsides — because in the Honorverse, war is still fought by the doctrine of the age of sail, only the ocean is the interstellar void and the ships-of-the-line are dreadnoughts. This is David Weber's future, two millennia on: a galaxy of star nations bound by treaty, trade, and old grudges, where the small, wealthy Star Kingdom of Manticore holds a wormhole junction the commerce of humanity runs through, and the expansionist People's Republic of Haven means to take it. At the center stands one officer, Honor Harrington — captain, then something far larger — and the six-limbed empathic treecat who rides her shoulder. The spine is the Honor Harrington novels, more than a dozen books that carry her from an overlooked frontier picket up through fleet command and the knife-politics of a monarchy at war. Around that spine branch parallel lines, several written with collaborators: the Saganami Island books follow a younger generation of officers in the contested Talbott Cluster; the Wages of Sin novels, with Eric Flint, chase the genetic-slave trade to its source on Mesa; Manticore Ascendant, with Timothy Zahn, reaches back centuries to the Navy's shaky founding; and the Star Kingdom books, with Jane Lindskold, tell how humans and treecats first met. Anthologies fill the seams. Weber writes competence and consequence — dense hardware, denser politics, victories that cost, and a heroine whose defining virtue is her refusal to spend lives cheaply or duck the ones she must. Begin with On Basilisk Station: one ship, one thankless posting, one impossible situation. Read the main line in publication order; the collaborating branches reward you later, once the map of Manticore is yours.