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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 Random Measures

anchored on:science fictionour worldlate 20th centurytime travel

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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 of lovers kept apart by law, family, faith, or station, where the obstacle to love is the plot.
  • 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 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 Replay
                  Replay

                  Ken Grimwood · standalone novel · 1987

                  similar bysecond chanceour worldlate 20th centurytime travelscience fictionidentity

                  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 The Accidental Time Machine
                  The Accidental Time Machine

                  Joe Haldeman · standalone novel · 2007

                  similar byadventurousour worldscience fictiontime travel+1 more

                  "Grad-school dropout Matt Fuller is toiling as a lowly research assistant at MIT when, while measuring subtle quantum forces that relate to time changes in gravity and electromagnetic force, his calibrator turns into a time machine. With a dead-end job and a girlfriend who has left him for another man, Matt has nothing to lose taking a time machine trip himself - or so he thinks."

                • Cover of All Our Wrong Todays
                  All Our Wrong Todays

                  Elan Mastai · standalone novel · 2017

                  similar bysecond chancescience fictiontime travelidentity+1 more

                  All Our Wrong Todays is a 2017 science fiction novel by Canadian screenwriter Elan Mastai. It is Mastai's debut novel and was first published in February 2017 in the United States by Dutton, in Canada by Doubleday Canada, and in the United Kingdom in March 2017 by Michael Joseph. The novel is about a man from a utopia in an alternate reality who finds himself stuck in our reality after a time travel accident.

                • Cover of Roadmarks
                  Roadmarks

                  Roger Zelazny · standalone novel · 1979

                  similar byadventurousour worldtime travelscience fiction+1 more

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

                • Cover of Time Travelers Never Die
                  Time Travelers Never Die

                  series · 2 books · 1996

                  similar byour worldscience fictiontime travel+2 more

                  Time Travelers Never Die started life as a Jack McDevitt novella in the mid-1990s (Hugo- and Nebula-nominated) before he expanded it into a full novel over a decade later; the novella and novel are two forms of the same story rather than a sequel. It follows a small circle of people who gain access to working time travel and use it to step into the past, in McDevitt's characteristic register of curious, history-minded science fiction.

                • Cover of Time and Time Again
                  Time and Time Again

                  Ben Elton · standalone novel · 2014

                  similar byadventuroussecond chancescience fictiontime travel+1 more

                  Time and Time Again is a 2014 novel by Ben Elton. In a fictional 2024, former soldier and University of Cambridge graduate Hugh Stanton is summoned to go back in time and prevent the outbreak of World War I. A review of the book in The Guardian notes that it "has the makings of a decent Young Adult novel" A book review in the Irish Examiner was of the opinion that "the novel that started with such a bang, ended with a fizzle."

                • Cover of Rewind
                  Rewind

                  William Sleator · standalone novel · 1999

                  similar bysecond chanceour worldlate 20th centuryscience fictiontime travelidentity

                  Rewind is a 1999 science fiction novel by American writer William Sleator that explores maturity and self-confidence.

                • Cover of Dr. Futurity
                  Dr. Futurity

                  Philip K. Dick · standalone novel · 1960

                  similar byadventurousour worldscience fictiontime travel+1 more

                  Dr. Futurity is a 1960 science fiction novel by American writer Philip K. Dick. It is an expansion of his earlier short story "Time Pawn", which first saw publication in the summer 1954 issue of Thrilling Wonder Stories. Dr. Futurity was first published as a novel by Ace Books as one half of Ace Double D-421, bound dos-à-dos with John Brunner's Slavers of Space.

                • Cover of The Goblin Reservation
                  The Goblin Reservation

                  Clifford D. Simak · standalone novel · 1968

                  similar byadventurousour worldscience fictiontime travel

                  The Goblin Reservation is a 1968 science fiction novel by American writer Clifford D. Simak, featuring an educated Neanderthal, a biomechanical sabertooth tiger, aliens that move about on wheels, a man who time-travels using an unreliable device implanted in his brain, meeting a ghost, trolls, banshees, goblins, a dragon and even Shakespeare himself. The Goblin Reservation was a Hugo Award nominee in 1969 and was originally serialized in Galaxy Science Fiction magazine.

                • Cover of Time at the Top
                  Time at the Top

                  series · 2 books · 1963

                  completed

                  similar bytime travel+4 more

                • Cover of The Dancer from Atlantis
                  The Dancer from Atlantis

                  Poul Anderson · standalone novel · 1971

                  similar byadventurousour worldscience fictiontime travel

                  The Dancer from Atlantis is a science fiction novel by American writer Poul Anderson, first published in 1971 by Doubleday.

                • Cover of Quantum Leap
                  Quantum Leap

                  series · 25 books · 1990

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                • Cover of Household Gods
                  Household Gods

                  Harry Turtledove & Judith Tarr · standalone novel · 1999

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                  Household Gods is a 1999 science fiction time-travel novel written by Harry Turtledove and Judith Tarr.

                • Cover of D. O. D. O. (Department of Diachronic Operations)
                  D. O. D. O. (Department of Diachronic Operations)

                  series · 2 books · 2017

                  similar byadventurousour worldscience fictiontime travel

                  Neal Stephenson and Nicole Galland's D.O.D.O. novels center on the Department of Diachronic Operations, a covert U.S. government agency that discovers magic vanished from the world in the nineteenth century and sets out to use time travel to bring it back. The Rise and Fall of D.O.D.O. (2017) is followed by Master of the Revels, continuing the pair's earlier collaboration on The Mongoliad.

                • Cover of All This and More
                  All This and More

                  Peng Shepherd · standalone novel · 2024

                  similar bysecond chanceour worldscience fictiontime travelidentity

                  A game show uses a technology that allows contestants to revise their past lives to change their present ones.

                • Cover of Back to the Future
                  Back to the Future

                  series · 4 books · 1985

                  similar byscience fictiontime travel+3 more

                • Cover of Time Storm
                  Time Storm

                  Gordon R. Dickson · standalone novel · 1977

                  similar byadventurousour worldscience fictiontime travel

                  A time storm has devastated the Earth, and only a small fraction of humankind remains. From the rubble, three survivors form an unlikely alliance: a young man, a young woman, and a leopard. "A masterful science fiction story told by a masterful science fiction writer". -- Milwaukee Journal. A time storm strikes the Earth. The Earth remains, but different parts of the Earth are in different eras. Travel between the different zones is thought to be impossible. The main character, Marc Despard, resolves to fight the time storm. After some struggles, he assembles a small band of people, including one alien, to help him try to understand what has happened and to stop the time storm. He has 2 extraordinary relationships with a older teenaged girl who is speechless for the first part of the book (she was "struck dumb" by the time storm) and with, believe it or not, a leopard. Dickson's writing makes the extraordinary seem quite normal. Ultimately, after being harried by a Mad Max-like group of survivors, he uses a machine found in a different era of time to bring his small band of followers into the future so that he can find those who are trying to fight the time storm. He convinces those future beings that he is capable of fighting the time storm, and ultimately stops it, and gets the girl in the end.

                • Cover of The Corridors of Time
                  The Corridors of Time

                  Poul Anderson · standalone novel · 1965

                  similar byadventurousscience fictionour worldtime travel

                  The Corridors of Time is a science fiction novel by the American writer Poul Anderson that was first published in 1965 as a serial in Amazing Stories, and as a book by Doubleday.

                • K
                  Kairos

                  series · 11 books · 1962

                  completed

                  similar byscience fiction+3 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 Book of Ptath
                  The Book of Ptath

                  A. E. van Vogt · standalone novel · 1947

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                  Ptath, a very powerful god, is throwing by his deadly rival, the goddess Ineznia, on Earth, around 200,000,000 AD, in the form of a mortal, where he has to face numerous dangers to survive.

                • Cover of The Glory That Was
                  The Glory That Was

                  L. Sprague de Camp · standalone novel · 1960

                  similar byadventurousscience fictionour worldtime travelidentity

                  The Glory That Was is a science fiction novel by American writer L. Sprague de Camp. It was first published in the science fiction magazine Startling Stories for April, 1952, and subsequently published in book form in hardcover by Avalon Books in 1960 and in paperback by Paperback Library in March 1971. It has since been reprinted in paperback by Ace Books in July 1979 and Baen Books in April 1992, and in trade paperback by Phoenix Pick in September 2014. An E-book edition was published by Gollancz's SF Gateway imprint on September 29, 2011 as part of a general release of de Camp's works in electronic form; a second e-book edition was issued by Phoenix Pick in September 2014. The book has also been translated into Italian, German and Greek.

                • Cover of Mammoth
                  Mammoth

                  John Varley · standalone novel · 2005

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                  Mammoth is a 2005 novel by author John Varley. The book centers around the concept of time travel, and discusses the concept that there may be limits to science.

                • Cover of Future Shock (Elizabeth Briggs)
                  Future Shock (Elizabeth Briggs)

                  series · 3 books · 2016

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                • Cover of Foundation Universe
                  Foundation Universe

                  universe · 123 books · 1940

                  Start hereFoundation · Start here

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                  There is a science that reads the future of quadrillions the way an astronomer reads the orbits of stars. It is called psychohistory, and its equations foresee something the ruling Galactic Empire cannot admit: the throne is rotting, and thirty thousand years of barbarism are coming. One man, Hari Seldon, cannot stop the fall. He can only shorten it — by seeding a Foundation of scholars at the rim of the galaxy, a fragile institution built to carry knowledge across the dark and cut the interregnum to a single millennium. This is a universe told in the register of history itself: the long view, the calm of deep time, empires measured in centuries and men measured against them. The spine is Asimov's original trilogy — Foundation, Foundation and Empire, Second Foundation — followed decades later by the sequels Foundation's Edge and Foundation and Earth and the prequels Prelude to Foundation and Forward the Foundation. Late in life Asimov braided this in with his other future histories: the Robot novels of detective Elijah Baley and his humaniform partner R. Daneel Olivaw (The Caves of Steel, The Naked Sun, The Robots of Dawn, Robots and Empire) and the early Galactic Empire novels (Pebble in the Sky and its kin), until one continuous chronicle ran from the first thinking robots to the Second Empire. Other hands extend it — the Second Foundation Trilogy by Gregory Benford, Greg Bear, and David Brin, and shared-world spinoffs such as Robot City — so the corpus sprawls beyond a single author's tidy shelf. What distinguishes it is that the drama is intellectual: crises resolved by insight, nerve, and dialogue rather than fleets and blades, each turn hinging on the hidden logic of the Seldon Plan. Begin where readers have always begun — with Foundation, and the original trilogy in publication order. The rest opens outward from there.