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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 Phaze Doubt

anchored on:science fantasysecondary worldidentityparallel universeadventurous

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 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 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 Jack of Shadows
                  Jack of Shadows

                  series · 4 books · 1971

                  similar byscience fantasyadventuroussecondary world+1 more

                  Roger Zelazny's Jack of Shadows (1971) is a single novel set on a tidally locked world split between a permanently lit hemisphere ruled by science and a permanently dark one ruled by magic. Its protagonist, Jack of Shadows, draws his power from shadow itself and is nearly helpless in full light or full darkness but formidable wherever shadows fall; the book follows his quest to recover a lost artifact, the Key called Kolwynia, and the power -- and responsibility -- that comes with finding it.

                • Cover of Roadmarks
                  Roadmarks

                  Roger Zelazny · standalone novel · 1979

                  similar byscience fantasyadventurous+2 more

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

                • Cover of Apprentice Adept
                  Apprentice Adept

                  series · 7 books · 1980

                  similar byadventurousscience fantasyparallel universe+2 more

                  Apprentice Adept is a heptalogy of fantasy and science fiction novels written by English American author Piers Anthony. The series takes place on Phaze and Proton, two worlds occupying the same space in two different dimensional planes. Phaze is a lush planet of magic, where Proton is a barren mining planet of science. As the series opens, each person born on Phaze and Proton has an alternate self living on the other world. But if a person on either world lacks a duplicate, he can cross to the other through an energy "curtain" that circumscribes each frame.

                • Cover of Restoree
                  Restoree

                  Anne McCaffrey · standalone novel · 1967

                  similar byadventurousscience fantasy+1 more

                  Torn from Earth by a bizarre and nameless black force, Sara has no idea where she is or why she inhabits a beautiful new body. Controlled by brutal guards and tamed by terror, she can not comprehend her role as a nurse for a man who appears to be an idiot. She discovers that the planet she had been brought to was Lothar and that the man she was caring for was its Regent, Sara knows the restorees had to escape. When they do, they become fugitives on a world of multiple evils. (adapted from the back cover of the Baen edition)

                • Cover of Universal Commonwealth
                  Universal Commonwealth

                  series · 4 books · 1984

                  completed

                  similar byidentityscience fantasyadventuroussecondary world

                • Cover of Lord of Light
                  Lord of Light

                  series · 5 books · 1967

                  similar byscience fantasyadventurous+1 more

                  Lord of Light is Roger Zelazny's 1967 science fantasy novel about the surviving crew of a colonizing starship who use salvaged technology and mind-transfer to make themselves effectively immortal, then rule their colony for a thousand years under the guises of Hindu gods. One of their own, called Sam, breaks with the pantheon to return forbidden knowledge to the ordinary people they rule, touching off a war among the self-styled gods. A standalone novel, it won the 1968 Hugo Award for Best Novel.

                • Cover of Wizard World
                  Wizard World

                  series · 3 books · 1980

                  similar byidentityadventuroussecondary world

                  Roger Zelazny's Wizard World duology, Changeling and Madwand, follows Pol Detson, a man raised on Earth who discovers he's heir to a world where magic and technology sit at opposite poles of the same underlying force, and where the balance between the two shapes who can wield power. Torn between the two, Pol has to master an art he was never trained for in order to survive his own inheritance. The two novels form a self-contained sword-and-sorcery adventure distinct from Zelazny's better-known Amber series.

                • Cover of Transit
                  Transit

                  Edmund Cooper · standalone novel · 1964

                  similar byidentityadventuroussecondary world

                  Transit... to another world. As a human being - an Earthman - Richard Avery was not particularly successful. He was mediocre as a teacher, and a failure as an artist. The rewards of Earth had passed him by. Still... Earth was home. It was where he belonged, where he could at least go his way unnoticed. Until that afternoon in Kensington Gardens, and that gleaming, hypnotic crystal that transported him - instantaneously - to a new and alien world. He was not alone, at least. There were three other Earth people marooned with him, all without a hint of the location or reason. And four more oddly assorted individuals would have been hard to imagine... Together, they faced sudden, savage onslaughts from an unknown foe. Together, they faced a fantastic implacable environment. And alone, they faced themselves - for to win, or even to survive, they had to re-discover what it meant to be human... (from the back cover of the Lancer first American edition)

                • Cover of Dwellers in the Mirage
                  Dwellers in the Mirage

                  A. Merritt · standalone novel · 1932

                  similar byidentityadventurous

                  From the back cover of the Avon 1976 printing: Angry warrior, modern man - Leif Langdon was suddenly ripped from the 20th century and plunged into the ancient world of The Mirage. But his entrance into this awesome land awakened the slumbering Dwayanu, who in this strange incarnation was also Lief. This, two-men-in-one battle with the beautiful witch-woman Lur and the ethereal beauty Evalie for the glory of the Mirage.

                • Cover of Warrior Woman
                  Warrior Woman

                  Marion Zimmer Bradley · standalone novel · 1985

                  similar byidentityadventuroussecondary world

                  This is not a typical Marion Zimmer Bradley novel. This book is the result of a bet between Marion and Don Wollheim, her editor for the Darkover novels at DAW Books. In addition, it's her response to the Gor novels - where men were men and women were slaves - that were also being published by DAW Books. Yes, this book does start out with a heroine who has been captured and is being sold as a slave, who has amnesia and remembers nothing of her life before the trip across the desert with the slavers - and, due to a head injury, remembers mercifully little of that. But she does know that she would rather fight in the arena than be a harlot for the men who do, and that choice changes the rest of the book. In a Gor-style novel the woman would become less her own person, eventually learning to be a contented and obedient slave. In this book, even while the heroine, called Zadieyek of Gyre, remains a slave, she is something quite different from the typical 'slave girl' - she grows and develops, always searching for her memory and her past, convinced that this is not how her life is supposed to be. And, of course, she's right.

                • Cover of The Quest of the Riddle-Master
                  The Quest of the Riddle-Master

                  series · 3 books · 1976

                  completed

                  similar byadventuroussecondary world+1 more

                  Patricia A. McKillip's Riddle-Master trilogy follows Morgon, prince of the small island of Hed, whose discovery of three star-shaped birthmarks on his forehead draws him into a search for his own hidden identity and a confrontation with ancient, shape-shifting powers. Drawing on Celtic myth, the three books are prized for their lyrical prose and riddle-based magic, and are often cited among the best high fantasy of the 1970s.

                • Cover of InterWorld
                  InterWorld

                  series · 3 books · 2007

                  similar byscience fantasyadventurousparallel universe+1 more

                  InterWorld follows Joey Harker, an ordinary teenager who discovers he can walk between parallel Earths and is recruited into a band of alternate versions of himself defending the multiverse from two rival forces, one of magic and one of science, that want to conquer every reality. Michael Reaves developed the story with Neil Gaiman, and Reaves's daughter Mallory Reaves co-wrote the two sequels. It's a fast-moving, portal-hopping adventure aimed at younger readers rather than a slow-burn epic.

                • Cover of The Dark World
                  The Dark World

                  Henry Kuttner · standalone novel · 1965

                  similar byscience fantasyadventuroussecondary world

                  The Dark World is a science fantasy novel credited to Henry Kuttner, although his wife C. L. Moore may have been an uncredited collaborator, or possibly even the author. The novel was first published in the July 1946 issue of Startling Stories, then reprinted in the Winter 1954 issue of Fantastic Story Magazine. Its first book edition was issued by Ace in 1965, followed by a British edition by Mayflower Books in 1966. A French translation appeared in 1972. The novel was reprinted in full in Issue #5 of Amberzine in 1992, and also collected in a 1997 paperback omnibus, The Startling Worlds of Henry Kuttner. Roger Zelazny, author of The Chronicles of Amber, credits this book as being one of his primary influences during his youth.

                • Cover of Song of the Lioness
                  Song of the Lioness

                  series · 5 books · 1983

                  part of Tortall

                  similar byadventuroussecondary world+1 more

                  The Song of the Lioness is a young adult series of fantasy novels published in the 1980s by Tamora Pierce. The series consists of four books: Alanna: The First Adventure (1983), In the Hand of the Goddess (1984), The Woman Who Rides Like a Man (1986) and Lioness Rampant (1988).

                • Cover of Typewriter in the Sky
                  Typewriter in the Sky

                  L. Ron Hubbard · standalone novel · 1940

                  similar byidentityscience fantasyadventurous

                  Typewriter in the Sky is a science fantasy novel by American writer L. Ron Hubbard. The protagonist Mike de Wolf finds himself inside the story of his friend Horace Hackett's book. He must survive conflict on the high seas in the Caribbean during the 17th century, before eventually returning to his native New York City. Each time a significant event occurs to the protagonist in the story he hears the sounds of a typewriter in the sky. At the story's conclusion, de Wolf wonders if he is still a character in someone else's story. The work was first published in a two-part serial format in 1940 in Unknown Fantasy Fiction. It was twice published as a combined book with Hubbard's work Fear. In 1995 Bridge Publications re-released the work along with an audio edition.

                • Cover of City of Bones
                  City of Bones

                  Martha Wells · standalone novel · 1995

                  similar byscience fantasyadventuroussecondary world

                  From the dust jacket laps of the Tor first edition: "....With City of Bones, Wells shapes a fabled and mysterious Arabian Nights wonderland in which science and magic meet in a head-on clash. it is a place that has been devastated by an ancient holocaust, and where not of the world's water has evaporated. But out of the ashes, a bizarre and wonderful civilization arises. Sand ship now traverse the routes once used by the great war galleons, and a glittering chain of city-states dot the Great Waste. And the greatest of them all is Charisat. Charisat, Imperial seat and wonder of wonders, a great monolithic structure towering over the desert. Charisat, a phantasmagorical place where silken courtesans and beggars weave lies side by side, where any man's dreams can be fulfilled at the whisper of a genie, and where the tier that you live on determines how high up the food (or more importantly, water) chain you are. Charisat, the goal of every schemer, treasure hunter, and madman intent on finding his hearts content. For if it can't be had in Charisat, it's not worth having. A beautiful woman and a handsome thief try to unravel the mysteries of an age-old technology to stop a fanatical cult before its members unleash an evil that will topple Charisat. And destroy all the water in the world."

                • Cover of The Coseema Saga
                  The Coseema Saga

                  series · 3 books · 2021

                  similar byidentityadventurousscience fantasysecondary world

                • Cover of Sona and the Golden Beasts
                  Sona and the Golden Beasts

                  Rajani LaRocca · standalone novel · 2024

                  similar byidentityadventuroussecondary world

                  Sona and the Golden Beasts is a 2024 middle grade fantasy novel by Indian-American author Rajani LaRocca. The novel follows 13-year-old Sona Kalpani as she learns the truth about herself and her world.

                • Cover of Star Gate
                  Star Gate

                  Andre Norton · standalone novel · 1958

                  similar byscience fantasyadventuroussecondary world

                  Star Gate is a science fantasy novel by American writer Andre Norton, published by Harcourt, Brace & Company in 1958. The story is science fiction with a blend of sword and sorcery, mingling technologically advanced humans from Earth with the human natives of the far-off world of Gorth and a native culture that has achieved the development level of medieval Europe.

                • Cover of Gor
                  Gor

                  series · 41 books · 1966

                  similar byscience fantasysecondary world+1 more

                  Gor is the fictional setting for a series of sword and planet novels written by philosophy professor John Lange, writing as John Norman. The setting was first described in the 1966 novel Tarnsman of Gor. The series is inspired by science fantasy pulp fiction works by Edgar Rice Burroughs, such as the Barsoom series. It also includes erotica and philosophical content. The Gor series repeatedly depicts men abducting and physically and sexually brutalizing women, who grow to enjoy their submissive state. According to The Encyclopedia of Science Fiction, Norman's "sexual philosophy" is "widely detested", but the books have inspired a Gorean subculture.

                • Cover of Eternal Champion
                  Eternal Champion

                  series · 6 books · 1962

                  part of Moorcock's Multiverse

                  similar byadventuroussecondary world+3 more

                  The Eternal Champion introduces Erekosë, a modern man drawn out of his own life to become a warrior fated to fight across many worlds and identities — the seed of Michael Moorcock's whole multiverse concept, in which the same doomed hero recurs under different names. First published as a 1962 novella and expanded to a novel in 1970, it heads a trilogy completed by Phoenix in Obsidian and The Dragon in the Sword; within the wider moorcocks-multiverse this is the sequence that names and anchors the Eternal Champion idea itself.

                • Cover of Falcons of Narabedla
                  Falcons of Narabedla

                  series · 2 books · 1957

                  completed

                  similar byadventurousscience fantasysecondary world+1 more

                • Cover of Green Star Rises
                  Green Star Rises

                  series · 5 books · 1972

                  completed

                  similar byadventurousscience fantasysecondary world

                  Linwood Vrooman Carter was an American author of science fiction and fantasy, as well as an editor and critic. He usually wrote as Lin Carter; known pseudonyms include H. P. Lowcraft and Grail Undwin. In the 1970s he was editor of the Ballantine Adult Fantasy series, which introduced readers to many overlooked classics of the fantasy genre.

                • Cover of Double Star
                  Double Star

                  Robert A. Heinlein · standalone novel · 1956

                  similar byidentityadventurous

                  Lorenzo Smythe, the excellent yet unemployed actor, meets Dak Broadbent in a bar. Broadbent hires Lorenzo for an unspecified role, and hustles him onto a rocket ship. Broadbent turns out to be an assistant to the famous interplanetary politician and leader of the Expansionist party: John J. Bonforte. Bonforte, however, has been kidnapped by the political opposition on Mars, and due to Lorenzo's physical similarity to Bonforte, his staff wants Lorenzo to impersonate the politician for an important Martian ceremony.