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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

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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 a machine intelligence — an AI, computer mind, or sentient program — is a central character or the story's driving problem.
  • Stories in which extraterrestrial beings are central — as characters, cultures, or the object of the plot.
  • Stories driven by deliberate modification of genomes — designer organisms, engineered humans, and the consequences of remaking life.
  • Stories about venturing into space to explore — survey missions, astronauts, and the frontier of the unknown beyond Earth.
  • Stories about settling other planets or habitats — founding, sustaining, and governing colonies off Earth.
  • Stories about minds with paranormal abilities — telepathy, telekinesis, precognition, empathy — and how societies handle those who have them.
  • Stories in which staying alive against nature, catastrophe, or scarcity is the central problem.
  • 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.

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.

                • K
                  Kairos

                  series · 11 books · 1962

                  completed

                  similar byscience fiction+1 more

                  The Time Quintet is a science fantasy series of five young adult novels written by American author Madeleine L'Engle and made up of A Wrinkle in Time (1962), A Wind in the Door (1973), A Swiftly Tilting Planet (1978), Many Waters (1986), and An Acceptable Time (1989).

                • Cover of The Door Into Summer
                  The Door Into Summer

                  Robert A. Heinlein · standalone novel · 1957

                  similar byscience fictiontime travel

                  From the first page of the Signet 6th printing: "An electronics engineer invents a wizard robot... only to find himself shanghaied by his ruthless partner and his gold-digging fiancee. The crafty pair forces him to submit to the "long sleep" - suspended animation for thirty years. But when he wakes up in the year 2000 A.D. the inventor makes a startling discovery. He learns that it is possible now to twist time forwards or backwards. And so he returns to the past bent on a mission... of revenge."

                • Cover of The Sirens of Titan
                  The Sirens of Titan

                  Kurt Vonnegut & Jr. · standalone novel · 1959

                  similar byscience fiction+1 more

                  The Sirens of Titan is a comic science fiction novel by Kurt Vonnegut Jr., first published in 1959. His second novel, it involves issues of free will, omniscience, and the overall purpose of human history, with much of the story revolving around a Martian invasion of Earth.

                • Cover of Starman Jones
                  Starman Jones

                  Robert A. Heinlein · standalone novel · 1953

                  similar byscience fiction+1 more

                  Starman Jones, a 1953 science fiction novel by Robert A. Heinlein, features a farm boy who wants to go to the stars. Charles Scribner's Sons published the book as part of the Heinlein juveniles series.

                • Cover of Farnham's Freehold
                  Farnham's Freehold

                  Robert A. Heinlein · standalone novel · 1964

                  similar byscience fictiontime travel

                  Farnham's Freehold is a science fiction novel by American writer Robert A. Heinlein. A serialized version, edited by Frederik Pohl, appeared in Worlds of If magazine. The complete version was published in novel form by G. P. Putnam later in 1964.

                • T
                  Thistledown

                  series · 5 books · 1978

                  completed

                  similar byscience fiction+1 more

                • Cover of Slaughterhouse-Five or the Children's Crusade: A Duty-Dance with Death
                  Slaughterhouse-Five or the Children's Crusade: A Duty-Dance with Death

                  Kurt Vonnegut & Jr. · standalone novel · 1969

                  similar byscience fictiontime travel

                  Vonnegut opens in his own voice, describing the twenty years it took him to face writing about surviving the firebombing of Dresden as a POW. He then hands the story to Billy Pilgrim, an awkward, fatalistic American chaplain's assistant swept into the Battle of the Bulge and captured by German forces alongside a soldier who dies blaming him for it. Imprisoned in a disused slaughterhouse in Dresden, Billy survives the firebombing that follows, and, we're told upfront, has also come 'unstuck in time,' living his life out of order, including a stretch on the alien world of Tralfamadore. Vonnegut's best-known novel folds war memoir into science fiction and black comedy.

                • Cover of Oxford Time Travel
                  Oxford Time Travel

                  series · 6 books · 1982

                  similar byscience fictiontime travel

                  Connie Willis's Oxford Time Travel novels are set at a near-future Oxford University where historians travel into the past as observers, constrained by a version of history that resists any change large enough to alter real events. Doomsday Book sends a medieval historian to what should be 1320 but turns out to be the Black Death year of 1348, intercut with a present-day epidemic at Oxford; To Say Nothing of the Dog returns to the same time-travel program for a lighter, Victorian-set story with different characters. The two novels share their setting and rules rather than a directly continuing plot.

                • Cover of Time Traders
                  Time Traders

                  series · 7 books · 1958

                  similar byscience fictiontime travel

                  The Time Traders opens Andre Norton's Cold War-flavored science fiction series, following an American agent recruited to travel into the past and counter a Soviet operation built around ancient technology unearthed from a vanished civilization. Norton, later joined by collaborators Sherwood Smith and P. M. Griffin, expanded the sequence to seven novels published between 1958 and 2002, and revised the opening book herself in 2000. Like several of Norton's other series, it treats leftover technology from a long-gone ancient culture as its central plot engine.

                • Cover of Change War
                  Change War

                  series · 16 books · 1958

                  completed

                  similar byscience fictiontime travel

                  The Big Time is Fritz Leiber's Hugo Award-winning novel set in his Change War future history, where two rival powers called the Spiders and the Snakes recruit soldiers out of history to fight by altering past events, with the novel itself confined to a neutral recovery station suspended outside normal time. Leiber followed it with a string of shorter Change War stories, later gathered into collections such as Changewar, exploring other soldiers and other flashpoints in the same endless, mutable conflict.

                • Cover of The Anubis Gates
                  The Anubis Gates

                  series · 3 books · 1983

                  similar bytime travel+1 more

                  The Anubis Gates is a single time-travel fantasy novel by Tim Powers, following a present-day academic who takes part in a time-travel experiment and ends up stranded in early nineteenth-century London. It won the Philip K. Dick Award in 1983 and the Science Fiction Chronicle Award the following year.

                • Cover of Bring the Jubilee
                  Bring the Jubilee

                  Ward Moore · standalone novel · 1953

                  similar byscience fictiontime travel

                  From the flaps of the Farrar, Straus and Young first edition: ""Although I am writing this in the year 1877, I was not born until 1921." So Hodge Backmaker begins his story of the harsh and curious world he lived in, a world in which the South won the Civil War and the all-powerful Confederacy dominated the poor and backward North; a North that had neither a transcontinental railroad, and where television was undreamed of. Like most Northerners, Hodge was poor - but he had ambition. A printer's handyman in 1938, he had since become an eminent historian. Hodge's special interest was the American past, when the States had been united and had seemed to be on the brink of prosperity and technical progress. And then he was offered an opportunity no historian could resist - he could go back in time. Hodge chsoe to return to a certain field near Gettysburg on a day in July, 1863... Bring the Jubilee is a novel of curious events, of adventures and reflection, of passions and comment. It at time Hodge's world, its horse-carriages and gas-lights, minibles and tinugraphs and the Great Emperors' War of 1914 faintly resembles our own, it is perhaps, because that world might well become a reality: on the battlefield of Gettysburg there is a small hill called Little Round Top. One July morning in 1863 the Confederate Army made the tactical error of not occupying this hill. It was a mistake that cost them victory in a battle which - in the view of many historians - was the turning point of the Civil War."

                • Cover of The Time Traveler's Wife
                  The Time Traveler's Wife

                  Audrey Niffenegger · standalone novel · 2003

                  similar byscience fictiontime travel

                  The Time Traveler's Wife is the debut novel by American author Audrey Niffenegger, published in 2003. It is a love story about Henry, a man with a genetic disorder that causes him to time travel unpredictably, and about Clare, his wife, an artist who has to cope with his frequent absences. Niffenegger, who was frustrated with love when she began the novel, wrote the story as a metaphor for her failed relationships. The tale's central relationship came to Niffenegger suddenly and subsequently supplied the novel's title. The novel has been classified as both science fiction and romance.

                • Cover of Timescape
                  Timescape

                  Gregory Benford · standalone novel · 1980

                  similar byscience fictiontime travel

                  WorldCat: In the year 1998, a group of scientists works desperately to communicate with the scientists of 1962, warning of an ecological disaster that will destroy the oceans in the future--if it is not averted in the past.

                • Cover of The Science Fiction Hall of Fame
                  The Science Fiction Hall of Fame

                  series · 11 books · 1895

                  similar byscience fiction

                • Cover of Dirk Gently
                  Dirk Gently

                  series · 3 books · 1987

                  completed

                  part of The Hitchhiker's Guide to the Galaxy Universe

                  similar byscience fiction+1 more

                  Dirk Gently's Holistic Detective Agency (1987) introduces Douglas Adams's eccentric investigator, whose approach treats all events and objects as ultimately connected however implausibly, as a case involving time travel, a ghost, and a Cambridge murder tangles into one plot. Adams completed one further full novel, The Long Dark Tea-Time of the Soul (1988), before his death; The Salmon of Doubt (2002) later collected his unfinished notes toward a third book alongside essays and other writing, rather than completing the story.

                • Cover of Time and Again
                  Time and Again

                  series · 2 books · 1970

                  completed

                  similar byscience fictiontime travel

                  Time and Again (1970) follows Si Morley, a commercial artist recruited into a secret government project that sends him back to Manhattan in 1882, where he falls for a woman named Julia while weighing whether he can, or should, alter the past; Jack Finney illustrates the story with period photographs and engravings. The sequel, From Time to Time (1995), continues Si's story with a further trip into the past.

                • Cover of Kindred
                  Kindred

                  Octavia E. Butler · standalone novel · 1979

                  similar byscience fictiontime travel

                  Kindred (1979) is a novel by American writer Octavia E. Butler that incorporates time travel and is modeled on slave narratives. Widely popular, it has frequently been chosen as a text by community-wide reading programs and book organizations, and for high school and college courses.

                • Cover of When the Sleeper Wakes
                  When the Sleeper Wakes

                  H. G. Wells · standalone novel · 1899

                  similar byscience fictiontime travel

                  Graham, an insomniac Englishman in 1890s London, takes a course of sleep-inducing drugs and falls into a coma that lasts two centuries. He wakes in the year 2100 to find his investments have compounded, through a ruling body called the White Council, into effective ownership of most of the world's wealth and power, making him, on paper, humanity's master, and in practice, its prisoner, held under guard while the Council governs in his name. A rebel faction led by a man named Ostrog frees him, hoping to use his symbolic authority to spark an uprising against the Council. An early H. G. Wells dystopia about inherited power and manufactured consent.

                • Cover of Roadmarks
                  Roadmarks

                  Roger Zelazny · standalone novel · 1979

                  similar byscience fictiontime travel

                  Roadmarks is a science fantasy novel by American author Roger Zelazny, written during the late 1970s and published in 1979.

                • Cover of Replay
                  Replay

                  Ken Grimwood · standalone novel · 1987

                  similar byscience fictiontime travel

                  Replay is a fantasy novel by American writer Ken Grimwood, first published by Arbor House in 1987. It won the 1988 World Fantasy Award for Best Novel.

                • Cover of Up the Line
                  Up the Line

                  Robert Silverberg · standalone novel · 1969

                  similar byscience fictiontime travel

                  Up the Line (1969) is a time travel novel by American science fiction author Robert Silverberg. The plot revolves mainly around the paradoxes brought about by time travel and is considered an example of the more sexually-permissive era of late 1960s American science-fiction, a reflection of the counterculture of its day. It was nominated for a Nebula Award for Best Novel in 1969 and a Hugo Award for Best Novel in 1970 but lost to Ursula K. Le Guin's The Left Hand of Darkness both times.

                • Cover of Galactic Milieu
                  Galactic Milieu

                  series · 10 books · 1981

                  completed

                  similar byscience fiction+1 more

                  Galactic Milieu is a series of science fiction novels by Julian May. It is linked to her previously published series, the Saga of Pliocene Exile; and through the fantastical device of time-travel, acts as both a prequel and a sequel to this earlier series. The "Galactic Milieu" of the title is an interplanetary federation, and Earth's membership of it is a central plot concern.

                • Cover of The Light of Other Days
                  The Light of Other Days

                  Arthur C. Clarke & Stephen Baxter · standalone novel · 2000

                  similar byscience fictiontime travel

                  An industrialist devises a technique to use tiny wormholes as light pipes to enable viewing of any event anywhere; and subsequently it becomes possible to use them to view any event in the past as well. The effects on society are enormous.