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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 In Caverns Below

anchored on:science fictionunderground & cavesearly 20th centuryexpeditionsadventurous

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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 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 Cavor
                  Cavor

                  series · 2 books · 1901

                  similar byscience fictionadventurousearly 20th centuryunderground & caves

                  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 Walter Goodwin
                  Walter Goodwin

                  series · 3 books · 1918

                  completed

                  similar byexpeditionsadventurousearly 20th century+2 more

                  The Moon Pool (1919) and The Metal Monster (1920) are connected fantasy-adventure novels by A. Merritt, both narrated by the same character, Dr. Walter Goodwin, as he encounters hidden ancient civilizations and forces beyond ordinary science. The Moon Pool began as two related stories serialized in All-Story Weekly before being combined into a novel, and its success led Merritt to send Goodwin into a second, similarly strange discovery in The Metal Monster the following year. The two books follow Goodwin from one uncanny expedition to the next rather than forming a tightly plotted continuing saga.

                • Cover of Darwinia
                  Darwinia

                  Robert Charles Wilson · standalone novel · 1998

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                  From the front flap of the Tor first edition: In 1912, history was changed by the Miracle, when the old world of Europe was replaced by Darwinia, a strange land of nightmarish jungle and antediluvian monsters. To some, the Miracle is an act of divine retribution; to others, it is an opportunity to carve out a new empire. Leaving an America now ruled by religious fundamentalists, young Guilford Law travels to Darwinia on a mission of discovery that will take him further than he can possibly imagine...to a shattering revelation about mankind's destiny in the universe.

                • Cover of The Lotus Caves
                  The Lotus Caves

                  John Christopher · standalone novel · 1969

                  similar byexpeditionsscience fictionadventurousunderground & caves

                  Two boys living in a moon colony find an unrestricted buggy, allowing them to travel beyond their usual boundary. The find the journal of a missing early colonist, and it leads them to discover a hidden cave system containing a powerful, intelligent and apparently friendly alien.

                • Cover of The Maracot Deep
                  The Maracot Deep

                  Arthur Conan Doyle · standalone novel · 1929

                  similar byexpeditionsscience fictionadventurousearly 20th century

                  "Atlantis rediscovered on bed of Atlantic." – The British Science-Fiction Bibliography, 1937.

                • Cover of Etidorhpa
                  Etidorhpa

                  John Uri Lloyd · standalone novel · 1895

                  similar byexpeditionsscience fictionadventurousunderground & caves

                  Etidorhpa, or, the end of the earth: the strange history of a mysterious being and the account of a remarkable journey is the title of a scientific allegory or science fiction novel by John Uri Lloyd, a pharmacognocist and pharmaceutical manufacturer of Cincinnati, Ohio. Etidorhpa was published in 1895.

                • Cover of Lost Species
                  Lost Species

                  series · 12 books · 1897

                  completed

                  similar byexpeditionsadventurousscience fictionearly 20th century

                • Cover of Timeline
                  Timeline

                  Michael Crichton · standalone novel · 1999

                  similar byexpeditionsscience fictionadventurous

                  Timeline is a science fiction novel by American writer Michael Crichton, his twelfth under his own name and twenty-second overall, published in November 1999. It tells the story of a group of history students who travel to 14th-century France to rescue their professor. The book follows in Crichton's long history of combining science, technical details, and action in his books, this time addressing quantum and multiverse theory.

                • Cover of Destiny's Road
                  Destiny's Road

                  Larry Niven · standalone novel · 1997

                  similar byexpeditionsscience fictionadventurous

                  Destiny's Road is a science fiction novel by American writer Larry Niven, first published in 1998. It follows Jemmy Bloocher's exploration of Destiny's Road, a long scar of once-melted rock seared onto the planet's surface by a spaceship's fusion drive. Jemmy is descended from the original Destiny colonists, who were stranded when their landing craft deserted them.

                • Cover of Hello America
                  Hello America

                  J. G. Ballard · standalone novel · 1981

                  similar byexpeditionsscience fictionadventurous

                  Hello America is a science fiction novel by British writer J. G. Ballard, published in 1981. First edition cover designed by Bill Botten. The plot follows an expedition to a North America rendered uninhabitable by an ecological disaster following an energy crisis.

                • Cover of Across a Billion Years
                  Across a Billion Years

                  Robert Silverberg · standalone novel · 1969

                  similar byexpeditionsscience fictionadventurous

                  Across a Billion Years is a 1969 science fiction novel by American writer Robert Silverberg.

                • Cover of Non-Stop
                  Non-Stop

                  Brian W. Aldiss · standalone novel · 1958

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                  Non-Stop is a 1958 science fiction novel by British writer Brian Aldiss. The book features members of a primitive tribe, who set out on a mission of exploration, and gradually uncover a series of revelations about their world.

                • Cover of Predator X
                  Predator X

                  C. J. Waller · standalone novel · 2014

                  similar byexpeditionsscience fictionadventurousunderground & caves

                  "When deep level oil fracking uncovers a vast subterranean sea, a crack team of cavers and scientists are sent down to investigate. Upon their arrival, they disappear without a trace. A second team, including sedimentologist Dr. Megan Stoker, are ordered to seek out Alpha Team and report back their findings. But Alpha team are nowhere to be found–instead, they are faced with something unexpected in the depths. Something ancient. Something dangerous." – excerpted from the product description that is found on this book's product page on Amazon.com as of 2014-05-12

                • Cover of Attack from Atlantis
                  Attack from Atlantis

                  Lester del Rey · standalone novel · 1953

                  similar byexpeditionsscience fictionadventurous

                  Attack from Atlantis (1953) is a science fiction novel written by Lester del Rey. The story follows the new U.S.S. Triton submarine on her maiden voyage, but trouble happens when the crew comes face to face with the inhabitants of the underwater city Atlantis.

                • Cover of The Stonehenge Gate
                  The Stonehenge Gate

                  Jack Williamson · standalone novel · 2005

                  similar byexpeditionsscience fictionadventurous

                  Stumbling on ancient stones in the Sahara Desert, four adventurous excavators and poker buddies realize that they have discovered a gateway to other worlds, from technologically advanced planets to primitive civilizations.

                • Cover of The Haunted Stars
                  The Haunted Stars

                  Edmond Hamilton · standalone novel · 1960

                  similar byexpeditionsscience fictionadventurous

                  The Haunted Stars is a science fiction novel by American writer Edmond Hamilton. It tells the story of an expedition from Earth to a planet of the star Altair — a planet called Ryn, inhabited by humans like those on Earth. Against the wishes of Ryn's inhabitants, the team from Earth seek information about weapons technology used in an ancient space war. Their unsuccessful search ends in dramatic contact with another species, the ancient enemy of Ryn.

                • Cover of The Big Jump
                  The Big Jump

                  Leigh Brackett · standalone novel · 1955

                  similar byexpeditionsscience fictionadventurous

                  The Big Jump is a science fiction novel by American writer Leigh Brackett, centered on the first crewed expedition to Barnard's Star.

                • Cover of The Dig
                  The Dig

                  Alan Dean Foster · standalone novel · 1996

                  similar byexpeditionsscience fictionadventurous

                  "When a mile-wide asteroid suddenly appears in orbit around Earth, frantic scientists call on veteran shuttle pilot Boston Low. His mission: to nudge the menacing new moon into a stable orbit before it causes untold destruction by smashing into the Earth below. It's a mission that leads to an incredible adventure. When Low, prize-winning journalist Maggie Robbins, and scientific genius Ludger Brink investigate the asteroid's surface, they are hurtled into a time and place of revelation, mystery, and danger: the planet Cocytus. Once home to an extraordinarily advanced society, Cocytus is now a haunted world. For the three human castaways, the challenge is to understand the secret of this mysterious planet. Because solving the mystery of Cocytus is the only hope they have of getting home again ... " — quoted from the back cover of the first Warner Books mass market printing.

                • Cover of The Iron Star
                  The Iron Star

                  John Taine · standalone novel · 1930

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                  The Iron Star is a science fiction novel by American writer John Taine. It was first published in 1930 by E. P. Dutton.

                • Cover of Dinosaur Summer
                  Dinosaur Summer

                  Greg Bear · standalone novel · 1998

                  similar byexpeditionsadventurousscience fiction

                  From the flaps of the Warner first edition: "It's the year 1947, and nobody's interested in dinosaurs anymore. Less than fifty years after Professor Challenger's famed journey to the Lost World, America's last dinosaur circus is closing down... but the adventure of a lifetime is about to begin. In a dramatic change of pace, multiple Hugo and Nebula award-winning science fiction master Greg Bear, ... presents a lavishly illustrated thriller that is certain to become a new classic adventure beyond time... Peter Belzoni is dreading summer in Manhattan. Then his father, photojournalist Anthony Belzoni, offers the youth a job, a byline in National Geographic... and a trip to South America. For the Lothar Gluck Circus, once the world's foremost dinosaur attraction, had gone bankrupt. Left behind is a menagerie of avisaurs, centrosaurs, and ankylosaurs, as well as one large predatory raptor named Dagger. And now two filmmakers and the circus trainer plan to return the giants to the wild - with Peter and his dad chronicling the odyssey for Geographic. The task seems impossible. Many have died trying to bring beasts our of the Lost World, the plateau of El Grande in Venezuela, but nobody has ever attempted to transport nearly a dozen full-grown, multiton prehistoric creatures across continents, down rivers, through jungles, and up mountains that has been isolated for 70,000,000 years... The trek will strain the technologies of trains, cargo ships, barges, trucks... en route lurk robbers and hostile, trigger-happy soldiers... and each mile toward freedom excites Dagger toward an unstoppable primal killing frenzy. When the unthinkable threatens to strand Peter and the rest of the crew in an uncharted realm, four modern Americans will face all the unknown dangers, mysteries, and terrors of El Grande..."

                • Cover of Zanthodon
                  Zanthodon

                  series · 5 books · 1979

                  completed

                  similar byscience fictionadventurousunderground & caves+1 more

                • Cover of The Monster Men
                  The Monster Men

                  Edgar Rice Burroughs · standalone novel · 1929

                  similar byscience fictionadventurousearly 20th century

                  The Monster Men is a 1913 science fiction novel by American author Edgar Rice Burroughs, written under the working title "Number Thirteen". It first appeared in print under the title of "A Man Without a Soul" in the November, 1913 issue of All-Story Magazine, and was first published in book form in hardcover by A. C. McClurg in March, 1929 under the present title. It has been reissued a number of times since by various publishers. The first paperback edition was issued by Ace Books in February 1963.

                • Cover of The Green Prism Universe
                  The Green Prism Universe

                  series · 3 books · 1928

                  completed

                  similar byscience fictionexpeditionsadventurousearly 20th century

                • Cover of Ringworld
                  Ringworld

                  series · 5 books · 1970

                  part of Known Space

                  similar byscience fictionadventurous

                  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