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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 Depth Perception

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.
  • 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 about minds with paranormal abilities — telepathy, telekinesis, precognition, empathy — and how societies handle those who have them.
  • 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 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 Starship Troopers
                  Starship Troopers

                  Robert A. Heinlein · standalone novel · 1959

                  similar byscience fiction+1 more

                  Starship Troopers is a military science fiction novel by American writer Robert A. Heinlein. Written in a few weeks in reaction to the US suspending nuclear tests, the story was first published as a two-part serial in The Magazine of Fantasy & Science Fiction as Starship Soldier, and published as a book by G. P. Putnam's Sons on November 5, 1959.

                • K
                  Kairos

                  series · 11 books · 1962

                  completed

                  similar byscience fictionyoung adult

                  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 Island of Dr. Moreau
                  The Island of Dr. Moreau

                  series · 12 books · 1896

                  similar byscience fiction+1 more

                  H. G. Wells's 1896 novel The Island of Doctor Moreau follows a shipwrecked man stranded on a remote island where a reclusive scientist creates human-animal hybrids through vivisection, using the scenario to probe questions of cruelty, control, and what separates humanity from the beasts it experiments on. The premise has drawn later reimaginings gathered alongside it here, including Brian Aldiss's Moreau's Other Island and Silvia Moreno-Garcia's The Daughter of Doctor Moreau, each transplanting Wells's central idea into a new setting and voice. Taken together, the group traces one unsettling premise across more than a century of speculative fiction rather than forming a single ongoing story.

                • Cover of Podkayne of Mars
                  Podkayne of Mars

                  Robert A. Heinlein · standalone novel · 1963

                  similar byscience fictionyoung adult

                  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

                  similar byscience fictionyoung adult

                  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 Farmer in the Sky
                  Farmer in the Sky

                  Robert A. Heinlein · standalone novel · 1950

                  similar byscience fictionyoung adult

                  A family emigrates to the new colony on Ganymede, but the existing colonists do not have the resources to support a flood of immigrants. The teenage son, a boy scout, works to invigorate their barren holding without any technological support. Things come to a head when disaster strikes.

                • Cover of Citizen of the Galaxy
                  Citizen of the Galaxy

                  Robert A. Heinlein · standalone novel · 1957

                  similar byscience fiction+1 more

                  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 Ready Player One
                  Ready Player One

                  series · 3 books · 2011

                  similar byscience fiction+1 more

                  Ernest Cline's Ready Player One (2011) is set in a near-future dystopia where much of humanity escapes into the OASIS, a vast virtual-reality universe, and follows teenager Wade Watts as he chases an Easter egg hidden by the OASIS's late creator in a puzzle-based hunt worth a fortune. The 2020 sequel, Ready Player Two, picks up after Wade has gained control of the OASIS and follows him and his friends into a new quest built around a brain-computer interface the creator left behind.

                • Cover of The Hunger Games Universe
                  The Hunger Games Universe

                  universe · 5 books · 2008

                  Start hereThe Hunger Games · Start here

                  similar byscience fictionyoung adult

                  Panem, they call it now — a nation raised on the drowned bones of North America, a glittering Capitol ringed by twelve districts it once starved into obedience. Every year the Capitol collects its debt in children: two tributes from each district, drawn by lottery, dropped into an engineered arena, and made to kill one another on live television while the whole country is required to watch. This is the Hunger Games — entertainment, punishment, and government at once. Suzanne Collins tells it in a compact, unified body of work. The founding trilogy — The Hunger Games, Catching Fire, and Mockingjay — follows Katniss Everdeen, a girl from the coal-mining District 12 who volunteers in her sister's place and becomes something the Capitol never scripted. Two prequels reach back into the same machinery: The Ballad of Songbirds and Snakes traces a young Coriolanus Snow long before he is President, and Sunrise on the Reaping returns to District 12 a generation ahead of Katniss. Begin with the trilogy, in order — it is Katniss's voice, close and present-tense, that makes Panem breathe, and the prequels land hardest once you know how her story ends. Beneath the spectacle sits one steady, uncomfortable question: who profits when we agree to look away.

                • Cover of The Hunger Games
                  The Hunger Games

                  series · 3 books · 2008

                  part of The Hunger Games Universe

                  similar byscience fictionyoung adult

                  The Hunger Games is a series of young adult dystopian novels written by American author Suzanne Collins. The series consists of a trilogy that follows teenage protagonist Katniss Everdeen, as well as two prequels. The Hunger Games universe is a dystopia set in Panem, a post-apocalyptic North American country consisting of the wealthy Capitol and 12 districts in varying states of poverty. As punishment for rebellion, the Capitol hosts an annual battle royale competition called The Hunger Games. Each of the 12 districts must send two children between the ages of 12 and 18 to participate, and the last surviving child is dubbed the victor.

                • Cover of Lord of the Flies
                  Lord of the Flies

                  William Golding · standalone novel · 1954

                  similar byyoung adult+1 more

                  Lord of the Flies is the 1954 debut novel of British author William Golding. The plot concerns a group of prepubescent British boys who are stranded on an uninhabited island and their disastrous attempts to govern themselves that lead to a descent into savagery. The novel's themes include morality, leadership, and the tension between civility and chaos.

                • Cover of Islands in the Sky
                  Islands in the Sky

                  Arthur C. Clarke · standalone novel · 1952

                  similar byscience fiction+1 more

                  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 His Dark Materials
                  His Dark Materials

                  series · 8 books · 1995

                  part of His Dark Materials Universe

                  similar byyoung adult+1 more

                  His Dark Materials is a trilogy of fantasy novels by Philip Pullman consisting of Northern Lights, The Subtle Knife (1997), and The Amber Spyglass (2000). It follows the coming of age of two children, Lyra Belacqua and Will Parry, as they wander through a series of parallel universes. The novels have won a number of awards, including the Carnegie Medal in 1995 for Northern Lights and the 2001 Whitbread Book of the Year for The Amber Spyglass. In 2003, the trilogy was ranked third on the BBC's The Big Read poll.

                • Cover of Time for the Stars
                  Time for the Stars

                  Robert A. Heinlein · standalone novel · 1956

                  similar byscience fictionyoung adult

                  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.

                • Cover of Between Planets
                  Between Planets

                  Robert A. Heinlein · standalone novel · 1951

                  similar byscience fictionyoung adult

                  A teenager is pulled from his earthside boarding school when tensions rise between Earth and the Venus and Mars colonies. He is charged to bring an artifact to his scientist parents on Mars, but when hostilities break out, flights are cancelled and he is put down on Venus.

                • Cover of Tripods
                  Tripods

                  series · 4 books · 1967

                  completed

                  similar byscience fictionyoung adult

                  The Tripods is a series of young adult science fiction novels by John Christopher. The series takes place in a post-apocalyptic world where humanity is enslaved by "Tripods"—gigantic three-legged walking machines piloted by an alien race later identified as the "Masters". The first two books were the basis of a science fiction TV series, produced in the United Kingdom in the 1980s.

                • Cover of Tunnel in the Sky
                  Tunnel in the Sky

                  Robert A. Heinlein · standalone novel · 1955

                  similar byscience fictionyoung adult

                  As the final test of a survivalist/explorer class, teenagers are dumped on an alien planet to use their skills while awaiting pickup. But something has gone wrong, and they find they are on their own.

                • 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.

                • Cover of The Giver
                  The Giver

                  series · 5 books · 1993

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                  The Giver Quartet is a series of four books about a dystopian world by American author Lois Lowry, which consists of The Giver (1993), Gathering Blue (2000), Messenger (2004), and Son (2012). The first book won the 1994 Newbery Medal and has sold more than 50 million copies. The story takes place at an unknown point of time within the future. Each book has a different protagonist but is set in the same futuristic era.

                • Cover of Have Space Suit - Will Travel
                  Have Space Suit - Will Travel

                  Robert A. Heinlein · standalone novel · 1958

                  similar byscience fictionyoung adult

                  From the back cover of the Del Rey 9th printing: "Skyjacked - Everything happened at once. One minute Kip Russell was walking about in his own backyard, testing out an old space suit and dreaming about going to the moon - and the next he was out cold and the captive of an insidious space pirate. The whole thing seemed like a very bad dream until he discovered he wasn't the only prisoner on board. Then the reality of the situation became inescapable. He - along with the daughter of a world-renowned scientist and a beautiful creature from an alien planet - had been skyjacked by a monstrous extraterrestrial and they were on their way to the Moon... a journey toward a fate worse than death!"

                • Cover of Maze Runner
                  Maze Runner

                  series · 11 books · 2009

                  similar byscience fictionyoung adult

                  The Maze Runner is a series of young adult dystopian science fiction novels written by American author James Dashner. The series consists of the trilogy The Maze Runner (2009), The Scorch Trials (2010) and The Death Cure (2011), as well as two prequel novels, The Kill Order (2012) and The Fever Code (2016). A novella titled Crank Palace (2020) and a companion book titled The Maze Runner Files (2013) have also been released. A sequel trilogy in the series titled The Maze Cutter takes place 73 years following the events of The Death Cure and consists of the novels The Maze Cutter (2022), The Godhead Complex (2023), and The Infinite Glade (2025).

                • Cover of Divergent
                  Divergent

                  series · 10 books · 2011

                  similar byscience fictionyoung adult

                  Divergent, also known as The Divergent Series, is a series of young adult dystopian novels by American novelist Veronica Roth set in a post-apocalyptic dystopian Chicago. The trilogy consists of Divergent (2011), Insurgent (2012), and Allegiant (2013). A related book, Four (2014), presents a series of short stories told from the perspective of one of the trilogy's characters, the male love interest Tobias. A later short story, We Can Be Mended (2018), serves as an epilogue five years after the events of the trilogy, again from Tobias/Four's perspective.

                • Cover of Space Cadet
                  Space Cadet

                  Robert A. Heinlein · standalone novel · 1948

                  similar byscience fictionyoung adult

                  Space Cadet is a 1948 science fiction novel by Robert A. Heinlein about Matt Dodson, who joins the Interplanetary Patrol to help preserve peace in the Solar System. The story translates the standard military academy story into outer space: a boy from Iowa goes to officer school, sees action and adventure, shoulders responsibilities far beyond his experience, and becomes a man. It was published as the second of the series of Heinlein juveniles and inspired the media franchise around the character Tom Corbett, including the 1950s television series Tom Corbett, Space Cadet and radio show which made "Space Cadet" a household phrase whose meaning later shifted in popular culture.

                • Cover of Rocket Ship Galileo
                  Rocket Ship Galileo

                  Robert A. Heinlein · standalone novel · 1947

                  similar byscience fictionyoung adult

                  Three teenage boys do backyard experiments on powerful model rockets. An uncle who is an atomic engineer enlists them to make and fly the first rocket to the moon.