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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 Subjectivity

but

Mood

The mood the book leaves you in.

  • The reading experience is propelled by journeys, exploration, and physical risk; excitement and forward momentum dominate over dread or introspection.
  • Joy and loss are deliberately mixed; the resolution grants characters something real while taking something else away, leaving warmth and sorrow together.
  • The book demands work from the reader — dense prose, difficult structure, unfamiliar ideas, or morally uncomfortable material — as part of its intended effect.
  • Grim events, cruelty, or despair dominate the atmosphere, and the book does not soften them with comfort or comic relief.
  • The atmosphere is quietly unsettling — wrongness, unease, and the uncanny pervade the book without necessarily escalating into overt horror.
  • The book is built to move the reader; character feeling is foregrounded and major scenes aim at a strong emotional response.
  • Humor is a primary aim and the prose plays for laughs — comic situations, wit, or dialogue produce sustained comedy, not occasional levity.
  • The book insists that things can improve; effort and decency are shown to matter, and the arc bends toward better outcomes even through hardship.
  • The book teaches as it goes — real facts, history, science, or craft are conveyed in enough depth that learning is part of the reading experience.
  • The book is designed to uplift and motivate, presenting perseverance or achievement in a way that invites the reader to aspire or act.
  • The overall register is cheerful and easygoing; stakes are kept gentle and the book avoids dwelling on pain or dread.
  • Withheld information drives the experience; the book sustains enigmas and secrets the reader wants resolved, whatever its genre.
  • The book is contemplative and inward-looking, giving more weight to thought, memory, and meaning than to external events.
  • 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 centered on robots, androids, cyborgs, or other artificial mechanical beings and their relations with their makers.
  • 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 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.
    • 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.
    • 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.
    • 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.
    • 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.
    • 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 that ridicules people, institutions, or society in order to criticize them.
      • Fiction of dreamlike, irrational imagery and logic that breaks from realistic representation.
      • 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 Childhood's End
                Childhood's End

                Arthur C. Clarke · standalone novel · 1953

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                Childhood's End is a 1953 science fiction novel by the British author Arthur C. Clarke. The story follows a peaceful alien invasion of Earth by mysterious Overlords, whose arrival begins decades of apparent utopia under indirect alien rule, at the cost of human identity and culture.

              • Cover of Cavor
                Cavor

                series · 2 books · 1901

                similar byspace exploration

                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 Ringworld
                Ringworld

                series · 5 books · 1970

                part of Known Space

                similar byspace exploration

                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 Hitchhiker's Guide to the Galaxy
                Hitchhiker's Guide to the Galaxy

                series · 16 books · 1979

                part of The Hitchhiker's Guide to the Galaxy Universe

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                The Hitchhiker's Guide to the Galaxy is a comedy science fiction franchise created by Douglas Adams. Originally a radio sitcom broadcast over two series on BBC Radio 4 between 1978 and 1980, it was soon adapted to other formats, including both novels and comic books, a 1981 BBC television series, a 1984 text adventure game, stage shows and a 2005 feature film.

              • Cover of Cosmic Trilogy (C. S. Lewis)
                Cosmic Trilogy (C. S. Lewis)

                series · 4 books · 1938

                completed

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                The Space Trilogy is a series of science fiction novels by British writer C. S. Lewis. The trilogy consists of Out of the Silent Planet (1938), Perelandra (1943), and That Hideous Strength (1945). A philologist named Elwin Ransom is the protagonist of the first two novels and an important character in the third.

              • Cover of The City and the Stars
                The City and the Stars

                Arthur C. Clarke · standalone novel · 1956

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                The City and the Stars is a science fiction novel by British writer Arthur C. Clarke, published in 1956. This novel is a complete rewrite of Clarke's earlier Against the Fall of Night, his first novel, which had been published in Startling Stories magazine in 1948 after being rejected by the editor of Astounding Science-Fiction, according to the author.

              • Cover of Moties
                Moties

                series · 4 books · 1974

                part of CoDominium

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

              • Cover of The Martian
                The Martian

                series · 2 books · 2012

                similar byspace exploration

                Andy Weir's novel The Martian, first self-published in 2011 before a commercial re-release, follows astronaut Mark Watney after he is stranded alone on Mars when his crew presumes him dead and departs. Using scientific improvisation and dark humor, Watney works to keep himself alive long enough for a rescue to reach him. It is a single, self-contained survival story.

              • Cover of The Sirens of Titan
                The Sirens of Titan

                Kurt Vonnegut & Jr. · standalone novel · 1959

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                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 Earthlight
                Earthlight

                Arthur C. Clarke · standalone novel · 1955

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                Earthlight is a science fiction novel by British writer Arthur C. Clarke, published in 1955. It is an expansion to novel length of a novella of the same name that he had published four years earlier.

              • Cover of Podkayne of Mars
                Podkayne of Mars

                Robert A. Heinlein · standalone novel · 1963

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                From the back cover of the Baen 1995 edition: "Meet Podkayne Fries, a thoroughly modern Martian Ms. who thinks that Earth is not really fit for habitation and that humanity evolved in the now-exploded Fifth Planet. Poddy has one goal in life, to be the first female starship captain. She has her strategy all scoped out, and with her determination, looks and I.Q. she'll get there, never you doubt! But all work and no play would make Poddy a Dull Girl, so when a chance comes her way to travel to distant Earth via Venus with her elderly uncle, Poddy jumps at it, even if it does mean having her loathsome little brother along for the trip: Travel, Adventure, the chance to cuddle up (in a nice way) with real spaceship officers and ruthlessly pump their brains - she'll have it all. What Poddy doesn't know is that "Unca Tom" is more than her warmly supportive relative: he is also the Ambassador Plenipotentiary from Mars to the Three Planets Conference (travelling not quite incognito enough) and that certain people will stop at nothing to gain control of his vote - including kidnapping and doing terrible things to sweetly innocent Poddy Fries..."

              • Cover of Starman Jones
                Starman Jones

                Robert A. Heinlein · standalone novel · 1953

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                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 A Fall of Moondust
                A Fall of Moondust

                Arthur C. Clarke · standalone novel · 1961

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                From the back cover of the Harbrace paperback: "The action of A Fall of Moondust takes place almost a century from now when tours on the moon are a common occurrence. One of the high points of each tour is a cruise around the Sea of Thirst, a body of volcanic dust, in a specially designed vessel called the Selene On a perfectly routine voyage one day the Selene suddenly disappears. How do you locate a small tourist "cruiser" buried beneath fifty feet of dust? If you find it, how do you rescue the passengers and crew? If you are on board, how do you feel and what do you do while brave men and expert technicians join forces in a race against time? Sustained excitement, lively humor, and an engaging cast of characters make this one of Arthur C. Clarke's most intriguing novels."

              • Cover of Citizen of the Galaxy
                Citizen of the Galaxy

                Robert A. Heinlein · standalone novel · 1957

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                On a planet far distant from Earth, a lame beggar buys a young boy slave who has forgotten his origins. The beggar is more than he seems, and gives the boy an extensive education while employing him as an observer of activity in their city. Years later, the beggar is captured by the government, and the youth must escape the planet.

              • Cover of Edgar Rice Burroughs's Venus universe
                Edgar Rice Burroughs's Venus universe

                series · 14 books · 1933

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              • Cover of Hainish
                Hainish

                series · 33 books · 1964

                completed

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                The Hainish Cycle consists of a number of science fiction novels and stories by Ursula K. Le Guin. The cycle is set in a future history that features civilizations of human beings on planets orbiting a number of nearby stars, including Terra ("Earth"); these humans are contacting each other for the first time and establishing diplomatic relations, as well as setting up a confederacy under the guidance of the oldest of the human worlds, the peaceful planet Hain. In this history, human beings did not evolve on Earth, but they were instead the result of interstellar colonies planted by Hain in the distant past, after which interstellar travel ceased for an extended period. Some of the human races have new genetic traits, a result of ancient Hainish experiments in genetic engineering; this includes people who can dream while awake, and a world of hermaphroditic people who only enter active sexuality once per month, not knowing which sex will manifest in them. In keeping with Le Guin's narrative approach, she uses varied social and environmental settings to explore the anthropological and sociological outcomes of human evolution in those environments. The author often discounted the characterization of a so-called "Hainish Cycle".

              • Cover of Imperial Earth
                Imperial Earth

                Arthur C. Clarke · standalone novel · 1975

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                Imperial Earth is a science fiction novel by British writer Sir Arthur C. Clarke, published in 1975 by Gollancz Books. The plot follows the protagonist, Duncan Makenzie, on a trip to Earth from his home on Titan, in large part as a diplomatic visit to the U.S. for its quincentennial in 2276, but also to have a clone of himself produced. The book was published in time for the U.S. bicentennial in 1976.

              • Cover of The Black Cloud
                The Black Cloud

                Fred Hoyle · standalone novel · 1957

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                The Black Cloud is a 1957 science fiction novel by British astrophysicist Fred Hoyle. It details the arrival of an enormous cloud of gas that enters the Solar System and appears about to destroy most of the life on Earth by blocking the Sun's radiation.

              • Cover of Star Maker
                Star Maker

                series · 9 books · 1937

                completed

                part of Last Men Universe

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                Star Maker (1937) is Olaf Stapledon's cosmic philosophical novel, tracing the rise and fall of civilizations across the universe as it builds toward questions about creation, unity, and the nature of the Star Maker behind it all, expanding the scope of his earlier Last and First Men. It is paired here with Nebula Maker, a related manuscript Stapledon wrote in the 1930s between those two novels but which went unpublished until its rediscovery in 1976, alongside a handful of shorter pieces. Together they sit within Stapledon's last-men-universe of linked visionary future histories.

              • 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 The Fountains of Paradise
                The Fountains of Paradise

                Arthur C. Clarke · standalone novel · 1979

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                The Fountains of Paradise is a 1979 science fiction novel by British writer Arthur C. Clarke. Set in the 22nd century, it describes the construction of a space elevator. This "orbital tower" is a giant structure rising from the ground and linking with a satellite in geostationary orbit at the height of approximately 36,000 kilometres. Such a structure would be used to raise payloads to orbit without the expense of using rockets. The novel won both the Hugo and Nebula Awards for Best Novel.

              • Cover of Islands in the Sky
                Islands in the Sky

                Arthur C. Clarke · standalone novel · 1952

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                Islands in the Sky is a 1952 science fiction novel by British writer Arthur C. Clarke. It is one of his earliest works. Clarke wrote the story as a travelogue of human settlement of cislunar space in the last half of the twenty-first century.

              • Cover of Uplift Universe
                Uplift Universe

                universe · 13 books · 1980

                Start hereUplift · Start here

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

              • Cover of Time for the Stars
                Time for the Stars

                Robert A. Heinlein · standalone novel · 1956

                similar byspace exploration

                Explorer spaceships need a way to communicate back to earth in a timely manner when they are light years away. When telepathy is found to have no delay, pairs of twins are hired. One twin stays on Earth to receive reports, and the other twin goes into space.