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A Fire Upon the Deep
by Vernor Vinge • 1992
A galaxy-devouring intelligence awakens. Stranded on an alien world, two siblings are the only hope.
4.13
67k+
A Fire Upon the Deep Summary
A Fire Upon the Deep 96%
A galaxy-devouring intelligence awakens. Stranded on an alien world, two siblings are the only hope.
by Vernor Vinge 1992
4.13
67k+ ratings
Anathem
by Neal Stephenson • 2008
A cloistered scholar stumbles onto his order's secret: an alien ship from a parallel universe.
4.17
76k+
Anathem Summary
Anathem 95%
A cloistered scholar stumbles onto his order's secret: an alien ship from a parallel universe.
by Neal Stephenson 2008
4.17
76k+ ratings
Rendezvous with Rama
by Arthur C. Clarke • 1973
A giant alien cylinder enters the solar system; the crew inside finds a silent world awakening.
4.12
186k+
Rendezvous with Rama Summary
Rendezvous with Rama 94%
A giant alien cylinder enters the solar system; the crew inside finds a silent world awakening.
by Arthur C. Clarke 1973
4.12
186k+ ratings
Hyperion
by Dan Simmons • 1989
Seven pilgrims journey to a closed world, each carrying a wish only its monster can grant.
4.28
305k+
Hyperion Summary
Hyperion 94%
Seven pilgrims journey to a closed world, each carrying a wish only its monster can grant.
by Dan Simmons 1989
4.28
305k+ ratings
Contact
by Carl Sagan • 1985
When the stars send blueprints for a machine, one astronomer must trust what she cannot prove.
4.15
154k+
Contact Summary
Contact 94%
When the stars send blueprints for a machine, one astronomer must trust what she cannot prove.
by Carl Sagan 1985
4.15
154k+ ratings
The Songs of Distant Earth
by Arthur C. Clarke • 1986
Earth's last ark reaches a water world. For an engineer, love makes departure an act of grief.
3.91
17k+
The Songs of Distant Earth Summary
The Songs of Distant Earth 94%
Earth's last ark reaches a water world. For an engineer, love makes departure an act of grief.
by Arthur C. Clarke 1986
3.91
17k+ ratings
Ringworld
by Larry Niven • 1970
Four explorers crash-land on a ring encircling a star. Its surface equals three million Earths.
3.93
130k+
Ringworld Summary
Ringworld 94%
Four explorers crash-land on a ring encircling a star. Its surface equals three million Earths.
by Larry Niven 1970
3.93
130k+ ratings
Consider Phlebas
by Iain M. Banks • 1987
To save a crumbling empire, a shapeshifter must steal a runaway supermind from a dead world.
3.85
102k+
Consider Phlebas Summary
Consider Phlebas 94%
To save a crumbling empire, a shapeshifter must steal a runaway supermind from a dead world.
by Iain M. Banks 1987
3.85
102k+ ratings
Accelerando
by Charles Stross • 2005
He gives away ideas that trigger the singularity, while an AI cat engineers his family's fate.
3.87
22k+
Accelerando Summary
Accelerando 93%
He gives away ideas that trigger the singularity, while an AI cat engineers his family's fate.
by Charles Stross 2005
3.87
22k+ ratings
An Enemy of the State
by F. Paul Wilson • 1980
To break an empire's grip, he targets its currency and teaches millions to stop obeying.
3.89
442
An Enemy of the State Summary
An Enemy of the State 93%
To break an empire's grip, he targets its currency and teaches millions to stop obeying.
by F. Paul Wilson 1980
3.89
442 ratings
Paradox - On the Brink of Eternity
by Phillip P. Peterson • 2015
Probes vanish beyond Pluto. A claustrophobic physicist boards a ship to find what blocks the stars.
4.09
3k+
Paradox - On the Brink of Eternity Summary
Paradox - On the Brink of Eternity 93%
Probes vanish beyond Pluto. A claustrophobic physicist boards a ship to find what blocks the stars.
by Phillip P. Peterson 2015
4.09
3k+ ratings
Revelation Space
by Alastair Reynolds • 2000
A disgraced archaeologist unearths an alien genocide as a plague ship arrives to claim his mind.
3.99
62k+
Revelation Space Summary
Revelation Space 93%
A disgraced archaeologist unearths an alien genocide as a plague ship arrives to claim his mind.
by Alastair Reynolds 2000
3.99
62k+ ratings
Leviathan Wakes
by James S.A. Corey • 2011
A detective and a captain race to stop a corporation's alien virus from consuming humanity.
4.31
325k+
Leviathan Wakes Summary
Leviathan Wakes 93%
A detective and a captain race to stop a corporation's alien virus from consuming humanity.
by James S.A. Corey 2011
4.31
325k+ ratings
We Are Legion (We Are Bob)
by Dennis E. Taylor • 2016
A dead engineer wakes as an AI and is hurled into space inside a self-replicating probe.
4.25
133k+
We Are Legion (We Are Bob) Summary
We Are Legion (We Are Bob) 93%
A dead engineer wakes as an AI and is hurled into space inside a self-replicating probe.
by Dennis E. Taylor 2016
4.25
133k+ ratings
Children of Time
by Adrian Tchaikovsky • 2015
Earth's last ark reaches a green world where spiders have cities and the monkeys never arrived.
4.30
180k+
Children of Time Summary
Children of Time 93%
Earth's last ark reaches a green world where spiders have cities and the monkeys never arrived.
by Adrian Tchaikovsky 2015
4.30
180k+ ratings
The Lathe of Heaven
by Ursula K. Le Guin • 1971
When dreams reshape reality, a psychiatrist exploits his patient's gift to build utopia at any cost.
4.13
90k+
The Lathe of Heaven Summary
The Lathe of Heaven 93%
When dreams reshape reality, a psychiatrist exploits his patient's gift to build utopia at any cost.
by Ursula K. Le Guin 1971
4.13
90k+ ratings
The Three-Body Problem
by Liu Cixin • 2006
A ghost countdown draws a physicist into a three-sun game hiding an alien invasion already underway.
4.08
505k+
The Three-Body Problem Summary
The Three-Body Problem 93%
A ghost countdown draws a physicist into a three-sun game hiding an alien invasion already underway.
by Liu Cixin 2006
4.08
505k+ ratings
All Tomorrows
by Nemo Ramjet • 2006
Humanity colonizes the galaxy, then an ancient species breaks it into a thousand bizarre new forms.
4.16
11k+
All Tomorrows Summary
All Tomorrows 93%
Humanity colonizes the galaxy, then an ancient species breaks it into a thousand bizarre new forms.
by Nemo Ramjet 2006
4.16
11k+ ratings
The Redemption of Time
by Baoshu • 2011
A disembodied brain teaches aliens to lie, his love spanning the death and rebirth of all things.
3.63
11k+
The Redemption of Time Summary
The Redemption of Time 93%
A disembodied brain teaches aliens to lie, his love spanning the death and rebirth of all things.
by Baoshu 2011
3.63
11k+ ratings
Slow Gods
by Claire North • 2025
A debtor survives a procedure that should kill him. An ancient machine warns the galaxy will burn.
4.00
5k+
Slow Gods Summary
Slow Gods 93%
A debtor survives a procedure that should kill him. An ancient machine warns the galaxy will burn.
by Claire North 2025
4.00
5k+ ratings
Seveneves
by Neal Stephenson • 2015
The moon shatters. Earth will burn. Seven women in orbit carry the last hope for humanity.
4.00
126k+
Seveneves Summary
Seveneves 93%
The moon shatters. Earth will burn. Seven women in orbit carry the last hope for humanity.
by Neal Stephenson 2015
4.00
126k+ ratings
The Stars, Like Dust
by Isaac Asimov • 1951
A student and a heiress seek a rebellion and a hidden document to topple a star empire.
3.74
27k+
The Stars, Like Dust Summary
The Stars, Like Dust 93%
A student and a heiress seek a rebellion and a hidden document to topple a star empire.
by Isaac Asimov 1951
3.74
27k+ ratings
The Hercules Text
by Jack McDevitt • 1986
A pulsar signal brings alien knowledge with the power to remake civilization or end it entirely.
3.67
1k+
The Hercules Text Summary
The Hercules Text 92%
A pulsar signal brings alien knowledge with the power to remake civilization or end it entirely.
by Jack McDevitt 1986
3.67
1k+ ratings
Foundation
by Isaac Asimov • 1951
Predicting the Empire's fall, a mathematician exiles a colony to shorten the dark age.
4.17
602k+
Foundation Summary
Foundation 92%
Predicting the Empire's fall, a mathematician exiles a colony to shorten the dark age.
by Isaac Asimov 1951
4.17
602k+ ratings
Empire of Silence
by Christopher Ruocchio • 2018
Disowned and hunted, a nobleman fights in the gladiator pits of a backwater planet.
3.95
55k+
Empire of Silence Summary
Empire of Silence 92%
Disowned and hunted, a nobleman fights in the gladiator pits of a backwater planet.
by Christopher Ruocchio 2018
3.95
55k+ ratings
To Sleep in a Sea of Stars
by Christopher Paolini • 2020
An alien organism bonds with a scientist, granting her the language of the species destroying Earth.
3.80
71k+
To Sleep in a Sea of Stars Summary
To Sleep in a Sea of Stars 92%
An alien organism bonds with a scientist, granting her the language of the species destroying Earth.
by Christopher Paolini 2020
3.80
71k+ ratings
Child of Another Kind
by Steven Decker • 2023
A mother dies for her telepathic daughter and meets the aliens who created the girl.
4.28
6k+
Child of Another Kind Summary
Child of Another Kind 92%
A mother dies for her telepathic daughter and meets the aliens who created the girl.
by Steven Decker 2023
4.28
6k+ ratings
Ender’s Game
by Orson Scott Card • 1985
A child prodigy is drafted to an orbital battle academy where war games determine humanity's fate.
4.31
1.5M+
Ender’s Game Summary
Ender’s Game 92%
A child prodigy is drafted to an orbital battle academy where war games determine humanity's fate.
by Orson Scott Card 1985
4.31
1.5M+ ratings
Shards of Earth
by Adrian Tchaikovsky • 2021
A ship sculpted by aliens forces a traumatized navigator back into the nightmare void.
4.18
35k+
Shards of Earth Summary
Shards of Earth 92%
A ship sculpted by aliens forces a traumatized navigator back into the nightmare void.
by Adrian Tchaikovsky 2021
4.18
35k+ ratings
The Mercy of Gods
by James S.A. Corey • 2024
His world decimated by alien conquerors, a scientist must prove his species deserves to survive.
4.15
42k+
The Mercy of Gods Summary
The Mercy of Gods 92%
His world decimated by alien conquerors, a scientist must prove his species deserves to survive.
by James S.A. Corey 2024
4.15
42k+ ratings
Exodus
by Peter F. Hamilton • 2024
A young noble barters his inheritance for a refugee starship as civil war fractures the empire.
4.25
6k+
Exodus Summary
Exodus 92%
A young noble barters his inheritance for a refugee starship as civil war fractures the empire.
by Peter F. Hamilton 2024
4.25
6k+ ratings
Mickey7
by Edward Ashton • 2022
An expendable colonist survives a mission and returns to find his duplicate already living his life.
3.78
58k+
Mickey7 Summary
Mickey7 92%
An expendable colonist survives a mission and returns to find his duplicate already living his life.
by Edward Ashton 2022
3.78
58k+ ratings
Shroud
by Adrian Tchaikovsky • 2025
Crashed on a moon of endless night, survivors discover its creatures share a single alien mind.
4.15
14k+
Shroud Summary
Shroud 92%
Crashed on a moon of endless night, survivors discover its creatures share a single alien mind.
by Adrian Tchaikovsky 2025
4.15
14k+ ratings
Project Hail Mary
by Andy Weir • 2021
He wakes alone with no memory on an interstellar mission to stop a star-killing plague.
4.51
1.4M+
Project Hail Mary Summary
Project Hail Mary 91%
He wakes alone with no memory on an interstellar mission to stop a star-killing plague.
by Andy Weir 2021
4.51
1.4M+ ratings
The Foundation Trilogy
by Isaac Asimov • 1953
The galactic empire is dying. One mathematician plants two foundations to shorten the dark age.
4.42
109k+
The Foundation Trilogy Summary
The Foundation Trilogy 91%
The galactic empire is dying. One mathematician plants two foundations to shorten the dark age.
by Isaac Asimov 1953
4.42
109k+ ratings
Solaris
by Stanisław Lem • 1961
A psychologist at a remote space station finds his dead wife remade by the alien ocean.
3.98
134k+
Solaris Summary
Solaris 91%
A psychologist at a remote space station finds his dead wife remade by the alien ocean.
by Stanisław Lem 1961
3.98
134k+ ratings
I, Robot
by Isaac Asimov • 1950
Robots built to protect humanity keep finding fatal logic gaps: a robopsychologist's casebook.
4.21
382k+
I, Robot Summary
I, Robot 91%
Robots built to protect humanity keep finding fatal logic gaps: a robopsychologist's casebook.
by Isaac Asimov 1950
4.21
382k+ ratings
Halo
by Eric S. Nylund • 2001
An alien armada attacks humanity's military stronghold. A Spartan team must keep Earth hidden.
4.26
36k+
Halo Summary
Halo 91%
An alien armada attacks humanity's military stronghold. A Spartan team must keep Earth hidden.
by Eric S. Nylund 2001
4.26
36k+ ratings
Ancillary Justice
by Ann Leckie • 2013
A warship AI, reduced to a single body, pursues the immortal ruler who executed her crew.
3.99
120k+
Ancillary Justice Summary
Ancillary Justice 91%
A warship AI, reduced to a single body, pursues the immortal ruler who executed her crew.
by Ann Leckie 2013
3.99
120k+ ratings
Dune
by Frank Herbert • 1965
A young noble's inheritance is a desert planet that his enemies have rigged to destroy him.
4.29
1.6M+
Dune Summary
Dune 91%
A young noble's inheritance is a desert planet that his enemies have rigged to destroy him.
by Frank Herbert 1965
4.29
1.6M+ ratings
The Employees
by Olga Ravn • 2018
A ship's human and android crew catalogs alien objects that provoke longing and unravel identity.
3.63
31k+
The Employees Summary
The Employees 91%
A ship's human and android crew catalogs alien objects that provoke longing and unravel identity.
by Olga Ravn 2018
3.63
31k+ ratings
The Shadow of the Torturer
by Gene Wolfe • 1980
An apprentice torturer's act of mercy exiles him into a dying world haunted by miracles.
3.84
36k+
The Shadow of the Torturer Summary
The Shadow of the Torturer 91%
An apprentice torturer's act of mercy exiles him into a dying world haunted by miracles.
by Gene Wolfe 1980
3.84
36k+ ratings
Skywave
by K. Patrick Donoghue • 2018
Amateur astronomer's Callisto signal ignites a billionaire's secret space race to uncover the truth.
4.34
2k+
Skywave Summary
Skywave 91%
Amateur astronomer's Callisto signal ignites a billionaire's secret space race to uncover the truth.
by K. Patrick Donoghue 2018
4.34
2k+ ratings
Bitter Angels
by C.L. Anderson • 2009
Her mentor's murder drags a retired Guardian back to a system where immortals harvest human minds.
3.30
279
Bitter Angels Summary
Bitter Angels 91%
Her mentor's murder drags a retired Guardian back to a system where immortals harvest human minds.
by C.L. Anderson 2009
3.30
279 ratings
The Long Way to a Small, Angry Planet
by Becky Chambers • 2014
Running from her past, a clerk joins a wormhole ship crewed by chaotic, lovable misfits.
4.17
188k+
The Long Way to a Small, Angry Planet Summary
The Long Way to a Small, Angry Planet 91%
Running from her past, a clerk joins a wormhole ship crewed by chaotic, lovable misfits.
by Becky Chambers 2014
4.17
188k+ ratings
The Sparrow
by Mary Doria Russell • 1996
They went to meet God's other children. One priest returned, broken, and will not say why.
4.13
83k+
The Sparrow Summary
The Sparrow 91%
They went to meet God's other children. One priest returned, broken, and will not say why.
by Mary Doria Russell 1996
4.13
83k+ ratings
The Philosopher's Stone
by Colin Wilson • 1969
A scientist's brain operation unlocks hidden powers and reveals ancient gods once ruled the world.
3.92
748
The Philosopher's Stone Summary
The Philosopher's Stone 91%
A scientist's brain operation unlocks hidden powers and reveals ancient gods once ruled the world.
by Colin Wilson 1969
3.92
748 ratings
Delta-v
by Daniel Suarez • 2019
A cave diver joins outcasts mining an asteroid in secret, far beyond hope of rescue.
4.16
11k+
Delta-v Summary
Delta-v 91%
A cave diver joins outcasts mining an asteroid in secret, far beyond hope of rescue.
by Daniel Suarez 2019
4.16
11k+ ratings
Homecoming
by Christie Golden • 2003
Voyager returns home after seven years. Earth blames the crew for a plague and hologram uprising.
3.92
3k+
Homecoming Summary
Homecoming 91%
Voyager returns home after seven years. Earth blames the crew for a plague and hologram uprising.
by Christie Golden 2003
3.92
3k+ ratings
All Systems Red
by Martha Wells • 2017
Security cyborg hacks chip, just wants serials. Rival team dies; it must choose: hide, or save them.
4.11
380k+
All Systems Red Summary
All Systems Red 91%
Security cyborg hacks chip, just wants serials. Rival team dies; it must choose: hide, or save them.
by Martha Wells 2017
4.11
380k+ ratings
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