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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 Sideslip

anchored on:science fiction

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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 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 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 in which a friendship — its making, testing, or loss — is the emotional center.
  • 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 in which a buried family truth — hidden parentage, crimes, or shames — surfaces and reorders the present.
  • 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 Future History
                  Future History

                  series · 42 books · 1939

                  completed

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                  The Future History is a series of science fiction stories written by American author Robert A. Heinlein (1907–1988). It describes a projected future of the human race from the middle of the 20th century through the early 23rd century. The term Future History was coined by John W. Campbell Jr. in the February 1941 issue of Astounding Science Fiction. Campbell published an early draft of Heinlein's chart of the series in the May 1941 issue.

                • Cover of Of Man and Manta
                  Of Man and Manta

                  series · 3 books · 1968

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                  Of Man and Manta is a trilogy of science fiction novels written by Piers Anthony. It consists of the three books: Omnivore (1968), Orn (1970), and 0X (1975).

                • Cover of Special Deliverance
                  Special Deliverance

                  Clifford D. Simak · standalone novel · 1982

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                  A professor finds himself teamed with men, women, and a robot from parallel versions of earth, transported to a planet and sent on a quest of which none of them know the purpose or the details.

                • Cover of Darwinia
                  Darwinia

                  Robert Charles Wilson · standalone novel · 1998

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                  From the front flap of the Tor first edition: In 1912, history was changed by the Miracle, when the old world of Europe was replaced by Darwinia, a strange land of nightmarish jungle and antediluvian monsters. To some, the Miracle is an act of divine retribution; to others, it is an opportunity to carve out a new empire. Leaving an America now ruled by religious fundamentalists, young Guilford Law travels to Darwinia on a mission of discovery that will take him further than he can possibly imagine...to a shattering revelation about mankind's destiny in the universe.

                • Cover of Cavor
                  Cavor

                  series · 2 books · 1901

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                  H. G. Wells's 1901 novel The First Men in the Moon is narrated by the businessman Bedford, who joins the reclusive scientist Cavor after Cavor invents cavorite, a gravity-blocking substance that carries the two men to the Moon. There they discover a vast underground civilization of insect-like Selenites, and the expedition that began as a hunt for lunar minerals turns into an encounter with an alien society. It is a standalone novel; later editions crediting Stephen Baxter add an introduction or afterword rather than a continuing story.

                • Cover of The Long Earth
                  The Long Earth

                  series · 7 books · 2012

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                  Terry Pratchett and Stephen Baxter's Long Earth series (five novels, 2012-2016) begins when a cheap, simple device called a Stepper lets people step sideways into a vast, possibly infinite chain of parallel Earths, none of which developed human civilization. The books follow a natural stepper and an AI that believes itself the reincarnation of a Tibetan repairman as they travel millions of steps out along the chain, encountering other hominid species and the dangers, ecological and social, of an endless open frontier.

                • Cover of The World of Tiers
                  The World of Tiers

                  series · 9 books · 1965

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                  The World of Tiers is a series of science fiction novels by American writer Philip José Farmer. They are set within a series of artificially constructed universes, created and ruled by decadent beings who are genetically identical to humans, but regard themselves as superior, and are the inheritors of an advanced technology they no longer understand. This technology enables the "Lords" to create novel lifeforms, and also to prevent aging or disease, making them effectively immortal. Their technology also allows them to create small artificial universes, and the planets and stars within them, and modify the physical laws to create unusual or interesting phenomena within these universes. Instantaneous travel within and between these universes is achieved by the use of "gates" which seem to function as teleportation devices, or as a means of creating wormholes between different regions of spacetime.

                • Cover of Ringworld
                  Ringworld

                  series · 5 books · 1970

                  part of Known Space

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                  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 Riverworld
                  Riverworld

                  series · 37 books · 1965

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                  The Riverworld series consists of five science fiction novels (1971–1983) by American author Philip José Farmer (1918–2009). The Riverworld is an artificial, or heavily terraformed, planet where all humans who ever lived throughout history have been resurrected. The novels explore interactions of resurrected individuals from many different cultures and time periods. The underlying theme is quasi-religious. The motivations and ethics of the unknown intelligences that created the Riverworld and its inhabitants are explored.

                • Cover of Paratime Police
                  Paratime Police

                  series · 33 books · 1948

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                  The Paratime series written by H. Beam Piper and subsequently by John F. Carr consists of several short stories, one novella, and one novel, all but one of which were originally published in Astounding Science Fiction under the editorship of John W. Campbell. The series deals with an advanced civilization that is able to travel between parallel universes with alternate histories, and uses that ability to trade for goods and services that its own, exhausted Earth cannot provide. The protagonists of the stories are the Paratime Police, the organization that protects the secret of paratime travel.

                • Cover of Mode
                  Mode

                  series · 4 books · 1991

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                  The Mode series is a quartet of novels by Piers Anthony. Like many of Anthony's other fictional works, it explores many themes and ideas. This series has themes of violence, the abuse of power, sexism and male dominance, gender roles, the environment, integrity and personal honor, sapient animal life, parallel and alternative evolution, space travel, alternate dimensions, paradox, obscure concepts in physics and mathematics, sexual assault and abuse, child and adolescent sexuality, and suicide.

                • Cover of Blake Walker / Crosstime
                  Blake Walker / Crosstime

                  series · 2 books · 1956

                  completed

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                • Cover of Firebird (Claudia Gray)
                  Firebird (Claudia Gray)

                  series · 4 books · 2014

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                • Cover of The Kaiju Preservation Society
                  The Kaiju Preservation Society

                  John Scalzi · standalone novel · 2022

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                  Covid lands Jamie with no job, no money and a lot of obligations. She'll take pretty much any job. After a detour through pizza deliveries, she says yes to a job handling large animals, that need protection. But when it comes to further details, everybody's very secretive. First stop: Greenland.

                • Cover of Anna Nestor-Sigrid / The Aighors
                  Anna Nestor-Sigrid / The Aighors

                  series · 4 books · 1975

                  completed

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                  Beyond Heaven's River follows Yoshio Kawashita, a soldier abducted mid-battle during World War II and stranded by unknown aliens on a distant world he can never leave, whose only tie back to meaning is Anna Nestor, a ruthless interstellar power broker who first treats him as a curiosity before the two are forced to confront who took him and why. Greg Bear wrote it as a standalone 1980 novel rather than the start of a series.

                • Cover of The Boy Who Reversed Himself
                  The Boy Who Reversed Himself

                  William Sleator · standalone novel · 1986

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                  The Boy Who Reversed Himself (1986) is a science fiction novel by William Sleator. The novel deals with an exploration into other dimensions, and provides a journey into the world beyond our own.

                • Cover of Imperium (Keith Laumer)
                  Imperium (Keith Laumer)

                  series · 5 books · 1962

                  completed

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                  Keith Laumer's Imperium series opens with Worlds of the Imperium, an alternate-history adventure in which the American Revolution never happened and the British Empire built an authoritarian, inter-world empire using parallel-timeline travel. A man from our own reality is pulled into that divergent world, with the series continuing across three further novels.

                • Cover of Heechee
                  Heechee

                  series · 19 books · 1972

                  completed

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                  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 Everness
                  Everness

                  series · 3 books · 2011

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                  Ian McDonald's Everness series opens with Planesrunner, in which British teenager Everett Singh discovers travel between parallel Earths while searching for his physicist father, who vanished after developing the technology that makes such travel possible. The young-adult science-fiction series continues across Be My Enemy and Empress of the Sun.

                • Cover of The Haunted Mesa
                  The Haunted Mesa

                  Louis L'Amour · standalone novel · 1987

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                  The Haunted Mesa is a 1987 science fiction novel by American writer Louis L'Amour, set in the American Southwest amidst the ruins of the Anasazi.

                • Cover of The Secret Sea
                  The Secret Sea

                  Barry Lyga · standalone novel · 2016

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                  "Three friends find themselves plunged into a world of quantum physics, a rare disease that only affects identical twins, and a mysterious fact about a real-life global catastrophe"-- Zak is standing on the subway platform when the tunnel starts to fill with water. He sees it before anyone else; a voice only he hears warns him to run. His friends Moira and Khalid believe this is more than a premonition, and soon all three find themselves in an alternate universe that is both familiar and seriously strange. As Zak unravels the mystery behind the voice, he faces decisions that may mean the end of their world at home-- if they can even get home!

                • Cover of Time Traders
                  Time Traders

                  series · 7 books · 1958

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                  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 Roadmarks
                  Roadmarks

                  Roger Zelazny · standalone novel · 1979

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

                • Cover of Forerunner
                  Forerunner

                  series · 5 books · 1960

                  completed

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                  Forerunner and its sequel, Forerunner: The Second Venture, follow a young woman on an alien world who joins forces with an off-world traveler on a dangerous search for relics of a vanished, ancient civilization, hoping to find clues to how civilization itself began. It is a self-contained two-book adventure by Andre Norton rather than part of a longer sequence, later gathered as the omnibus The Forerunner Factor.