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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.

                • Cover of The Gods Themselves
                  The Gods Themselves

                  Isaac Asimov · standalone novel · 1972

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                  The Gods Themselves is a 1972 science fiction novel written by Isaac Asimov, and his first original novel in fifteen years. It won the Nebula Award for Best Novel in 1972, and the Hugo Award for Best Novel in 1973.

                • 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.

                • T
                  Thistledown

                  series · 5 books · 1978

                  completed

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                • Cover of Ring Around the Sun
                  Ring Around the Sun

                  Clifford D. Simak · standalone novel · 1953

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                  Ring Around the Sun is a science fiction novel by American writer Clifford D. Simak. Its anti-urban and pro-agrarian sentiments are typical of much of Simak's work.

                • Cover of Men Like Gods
                  Men Like Gods

                  H. G. Wells · standalone novel · 1923

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                  Men Like Gods is a 1923 novel, referred to by the author as a "scientific fantasy", by English writer H. G. Wells. It features a utopia located in a parallel universe.

                • 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 Eye in the Sky
                  Eye in the Sky

                  Philip K. Dick · standalone novel · 1957

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                  Eight visitors touring a particle-accelerator facility are caught in a catastrophic malfunction, a collapsing platform, a burst of radiation, that leaves them all unconscious. When protagonist Jack Hamilton, an engineer recently fired over Red Scare-era suspicions about his wife's politics, comes to, the world around him is subtly, then not so subtly, wrong: physics bends to fit one fellow victim's religious convictions, then to another's paranoid fears, as the group cycles through what turn out to be shared hallucinations built from each other's private belief systems. Philip K. Dick's early novel about how differently people actually see the same world.

                • Cover of Whileaway
                  Whileaway

                  series · 4 books · 1972

                  completed

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                  Joanna Russ's The Female Man (1975) is a single feminist science fiction novel, not a multi-book series, built around four women from parallel timelines with very different gender arrangements. One of them, Janet, comes from Whileaway, an all-female utopian Earth ten centuries in the future where men died out in a plague; the other three come from realities closer to Russ's own, and their collisions are used to interrogate what womanhood and equality could mean under different social rules.

                • 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 All Flesh Is Grass
                  All Flesh Is Grass

                  Clifford D. Simak · standalone novel · 1965

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                  All Flesh is Grass is a science fiction novel by American author Clifford D. Simak, published in 1965. The book follows a small town in Wisconsin that is closed off from the outside world by a mysterious barrier, placed by extraterrestrial beings.

                • Cover of Anathem
                  Anathem

                  Neal Stephenson · standalone novel · 2008

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                  On a planet where quasi-monastic academic institutions have existed alongside the secular world for thousands of years, a young scholar from one such institution becomes part of a planetwide effort to muster an appropriate reaction to a shocking discovery.

                • 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 Library of America P. K. Dick Collection
                  Library of America P. K. Dick Collection

                  series · 9 books · 1962

                  completed

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                • Cover of Dark Matter
                  Dark Matter

                  Blake Crouch · standalone novel · 2016

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                  Jason Dessen, college physics professor, husband and father, is kidnapped and taken to a parallel universe where his counterpart had dedicated his life to inventing a method of traveling between an infinity of parallel universes.

                • Cover of The Disappearance
                  The Disappearance

                  Philip Wylie · standalone novel · 1951

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                  One ordinary moment, the world splits in two: every man on Earth finds every woman gone without a trace, and at the same instant every woman finds herself in a world emptied of men -- two parallel realities on the same planet, each population convinced the other has vanished. Philip Wylie follows both worlds afterward, one sliding into authoritarian collapse without women to share or restrain power, the other building something more equal and freer, using the split to interrogate mid-century assumptions about sex, marriage and the double standards separating what men and women were each allowed to be. A speculative novel years ahead of the feminist movement it anticipates.

                • Cover of The Heads of Cerberus
                  The Heads of Cerberus

                  Francis Stevens · standalone novel · 1919

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                  The Heads of Cerberus is a science fiction novel by American writer Francis Stevens. The novel was originally serialized in the pulp magazine The Thrill Book in 1919, and it was first published in book form in 1952 by Polaris Press in an edition of 1,563 copies. It was the first book published by Polaris Press. A scholarly reprint edition was issued by Arno Press in 1978, and a mass market paperback by Carroll & Graf in 1984.

                • Cover of A Modern Utopia
                  A Modern Utopia

                  H. G. Wells · standalone novel · 1905

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                  Two travelers, an unnamed narrator and his skeptical companion, find themselves transported to a parallel world: a planet identical to Earth in geography and even population, down to duplicates of everyone they know, but shaped by a different history. There they examine a global order run by a voluntary elite called the Samurai, who try to hold together progress and stability without the coercion Wells thought inevitable in the utopias that came before his. Framed less as a story than as a philosophical travelogue, it is Wells's own argument with the utopian tradition, tested through the world he invents to make it.

                • Cover of The Jackpot Trilogy
                  The Jackpot Trilogy

                  series · 2 books · 2014

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                  William Gibson's Jackpot sequence begins with The Peripheral (2014), a science-fiction thriller cross-cutting between a near-future American town and a devastated London seventy years on. Gibson continued the same world in Agency (2020), set slightly later in the near-future timeline.

                • Cover of The Crack in Space
                  The Crack in Space

                  Philip K. Dick · standalone novel · 1966

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                  The Crack in Space is a 1966 science fiction novel by American writer Philip K. Dick. In the United Kingdom, it has been published under the title of the original novella, Cantata 140, published in the July 1964 issue of The Magazine of Fantasy & Science Fiction. This original title refers to the short title in English, Sleepers Awake, of J.S. Bach's Cantata BWV 140 and the novel's 'bibs', the millions sleeping in suspended animation. Both are based on the short story Prominent Author. The common elements are the Jiffi-scuttler transport device, the company, Terran Development, that manufactures it, and a summary of Prominent Author as an event of the past in chapter 2. The "crack in space" is a defect in Jiffi-scuttler operation that allows access to the Earth and to parallel Earths at various times and locations, beyond its intended use of providing near-instant transport between specific locations on the Earth in the present.

                • Cover of Job: A Comedy of Justice
                  Job: A Comedy of Justice

                  Robert A. Heinlein · standalone novel · 1984

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                  Job: A Comedy of Justice is a science fiction novel by American writer Robert A. Heinlein published in 1984. The title is a reference to the biblical Book of Job and James Branch Cabell's book Jurgen, A Comedy of Justice. It won the Locus Award for Best Fantasy Novel in 1985 and was nominated for the Nebula Award for Best Novel in 1984, and the Hugo Award for Best Novel in 1985.

                • 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 Brasyl
                  Brasyl

                  Ian McDonald · standalone novel · 2007

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                  Brasyl is a 2007 novel by British author Ian McDonald. It was nominated for the 2008 Hugo Awards in the best novel category. In 2008 it was nominated for, and made the longlist of, the £50,000 Warwick Prize for Writing. It was also nominated for the Locus Award and John W. Campbell Memorial Award for Best Novel, and in 2009, it was nominated for the Nebula Award for Best Novel. It won the British Science Fiction Award for best novel in 2008.

                • Cover of City at the End of Time
                  City at the End of Time

                  Greg Bear · standalone novel · 2008

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                  City at the End of Time is a 2008 science fiction novel by American writer Greg Bear. It was published in August 2008 by Del Rey in the United States, and Gollancz in the United Kingdom. The story follows three drifters in present-day Seattle who are tormented by strange dreams of the Kalpa, a city one hundred trillion years in the future. The Kalpa is attempting to ward off the Typhon, an inexplicable entity that has consumed the rest of the ancient universe and broken down the laws of physics.

                • Cover of What Mad Universe
                  What Mad Universe

                  Fredric Brown · standalone novel · 1949

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                  What Mad Universe is a science fiction novel, written in 1949 by the American author Fredric Brown. It satirizes many of the conventions of American "pulp" magazine science-fiction of the 1940s, while incorporating such stereotyped elements into a coherent alternate universe, valid on its own terms.