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Sanctuary
by Caryn Lix • 2018
A space prison guard discovers her hidden chip as a breakout unleashes an alien creature onboard.
3.89
2k+
Sanctuary Summary
Sanctuary 94%
A space prison guard discovers her hidden chip as a breakout unleashes an alien creature onboard.
by Caryn Lix 2018
3.89
2k+ ratings
Aurora Rising
by Amie Kaufman • 2019
A cadet trades his dream squad for a lost girl who becomes the galaxy's last weapon.
4.09
75k+
Aurora Rising Summary
Aurora Rising 93%
A cadet trades his dream squad for a lost girl who becomes the galaxy's last weapon.
by Amie Kaufman 2019
4.09
75k+ ratings
A Hole in the Sky
by Peter F. Hamilton • 2021
On a dying starship, siblings flee ritual death into forbidden wilds hiding alien foes.
3.79
1k+
A Hole in the Sky Summary
A Hole in the Sky 93%
On a dying starship, siblings flee ritual death into forbidden wilds hiding alien foes.
by Peter F. Hamilton 2021
3.79
1k+ ratings
Memento
by Amie Kaufman • 2020
A grieving neurogrammer teaches a warship's AI about morality; it learns the trolley problem.
4.29
8k+
Memento Summary
Memento 93%
A grieving neurogrammer teaches a warship's AI about morality; it learns the trolley problem.
by Amie Kaufman 2020
4.29
8k+ ratings
I Am Number Four
by Pittacus Lore • 2010
Nine children from a doomed planet are hunted in order; now number four's powers are awake.
3.93
353k+
I Am Number Four Summary
I Am Number Four 93%
Nine children from a doomed planet are hunted in order; now number four's powers are awake.
by Pittacus Lore 2010
3.93
353k+ ratings
The Knife of Never Letting Go
by Patrick Ness • 2008
On a world of broadcast thoughts, a boy meets a quiet girl and a violent pursuit ignites.
3.97
205k+
The Knife of Never Letting Go Summary
The Knife of Never Letting Go 93%
On a world of broadcast thoughts, a boy meets a quiet girl and a violent pursuit ignites.
by Patrick Ness 2008
3.97
205k+ 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 93%
An alien organism bonds with a scientist, granting her the language of the species destroying Earth.
by Christopher Paolini 2020
3.80
71k+ ratings
A Beautifully Foolish Endeavor
by Hank Green • 2020
A sentient book sends April's friends searching for her inside the virtual world consuming humanity.
4.23
57k+
A Beautifully Foolish Endeavor Summary
A Beautifully Foolish Endeavor 93%
A sentient book sends April's friends searching for her inside the virtual world consuming humanity.
by Hank Green 2020
4.23
57k+ ratings
The 5th Wave
by Rick Yancey • 2013
Alien invaders wear human faces. A teenage girl crosses the wasteland to rescue her brother.
4.00
481k+
The 5th Wave Summary
The 5th Wave 93%
Alien invaders wear human faces. A teenage girl crosses the wasteland to rescue her brother.
by Rick Yancey 2013
4.00
481k+ 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
A Girl from Nowhere
by James Maxwell • 2020
A lame orphan crosses a deadly wasteland chasing the legend of a white-walled city.
4.06
11k+
A Girl from Nowhere Summary
A Girl from Nowhere 92%
A lame orphan crosses a deadly wasteland chasing the legend of a white-walled city.
by James Maxwell 2020
4.06
11k+ ratings
Dark Life
by Kat Falls • 2010
A subsea boy's strange gift collides with a surface girl's hunt for her missing brother.
3.90
15k+
Dark Life Summary
Dark Life 92%
A subsea boy's strange gift collides with a surface girl's hunt for her missing brother.
by Kat Falls 2010
3.90
15k+ ratings
Blacklisted
by Gena Showalter • 2007
Shot in an alien club, a teen becomes her crush's wanted accomplice in a drug war.
4.00
2k+
Blacklisted Summary
Blacklisted 92%
Shot in an alien club, a teen becomes her crush's wanted accomplice in a drug war.
by Gena Showalter 2007
4.00
2k+ ratings
Shadows
by Jennifer L. Armentrout • 2012
An alien in hiding loves a human girl, marking her for the predators who hunt his kind.
4.08
45k+
Shadows Summary
Shadows 92%
An alien in hiding loves a human girl, marking her for the predators who hunt his kind.
by Jennifer L. Armentrout 2012
4.08
45k+ 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
A Half-Built Garden
by Ruthanna Emrys • 2022
Aliens land offering the stars, but a mother refuses to abandon the Earth she still tends.
3.60
3k+
A Half-Built Garden Summary
A Half-Built Garden 92%
Aliens land offering the stars, but a mother refuses to abandon the Earth she still tends.
by Ruthanna Emrys 2022
3.60
3k+ ratings
The 100
by Kass Morgan • 2013
One hundred teenage prisoners crash-land on a ravaged Earth and find they are not alone.
3.58
87k+
The 100 Summary
The 100 92%
One hundred teenage prisoners crash-land on a ravaged Earth and find they are not alone.
by Kass Morgan 2013
3.58
87k+ ratings
Exo
by Fonda Lee • 2017
An enhanced soldier for Earth's alien rulers is captured by rebels led by his estranged mother.
3.78
3k+
Exo Summary
Exo 92%
An enhanced soldier for Earth's alien rulers is captured by rebels led by his estranged mother.
by Fonda Lee 2017
3.78
3k+ ratings
The Angel Experiment
by James Patterson • 2005
Six winged experiments. One recaptured. Their leader follows a voice toward the lab that made them.
4.07
234k+
The Angel Experiment Summary
The Angel Experiment 92%
Six winged experiments. One recaptured. Their leader follows a voice toward the lab that made them.
by James Patterson 2005
4.07
234k+ ratings
Shards of a Shattered Mirror Book I
by Darryl Anka • 2017
She glimpses every future in shattered light, but an alien empire has already chosen one.
4.53
150
Shards of a Shattered Mirror Book I Summary
Shards of a Shattered Mirror Book I 92%
She glimpses every future in shattered light, but an alien empire has already chosen one.
by Darryl Anka 2017
4.53
150 ratings
The Truce at Bakura
by Kathy Tyers • 1994
After Endor, Rebels ally with Imperials to save a colony from aliens who drain human souls.
3.47
14k+
The Truce at Bakura Summary
The Truce at Bakura 92%
After Endor, Rebels ally with Imperials to save a colony from aliens who drain human souls.
by Kathy Tyers 1994
3.47
14k+ 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
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 92%
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
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 92%
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
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
The Host
by Stephenie Meyer • 2008
An alien soul inhabits a rebel whose mind fights back. Together they flee toward her family.
3.86
1.1M+
The Host Summary
The Host 92%
An alien soul inhabits a rebel whose mind fights back. Together they flee toward her family.
by Stephenie Meyer 2008
3.86
1.1M+ ratings
LIFEL1K3
by Jay Kristoff • 2018
A scavenger fights robots for medicine. When an android awakens, her hidden past comes hunting.
3.94
13k+
LIFEL1K3 Summary
LIFEL1K3 92%
A scavenger fights robots for medicine. When an android awakens, her hidden past comes hunting.
by Jay Kristoff 2018
3.94
13k+ 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 92%
Running from her past, a clerk joins a wormhole ship crewed by chaotic, lovable misfits.
by Becky Chambers 2014
4.17
188k+ ratings
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 92%
A galaxy-devouring intelligence awakens. Stranded on an alien world, two siblings are the only hope.
by Vernor Vinge 1992
4.13
67k+ ratings
Best of All Worlds
by Kenneth Oppel • 2025
A family wakes to find their summer cottage inside an invisible dome with no way out.
3.62
2k+
Best of All Worlds Summary
Best of All Worlds 91%
A family wakes to find their summer cottage inside an invisible dome with no way out.
by Kenneth Oppel 2025
3.62
2k+ ratings
George's Cosmic Treasure Hunt
by Lucy Hawking • 2009
A strange signal pulls two kids through a supercomputer portal on an interplanetary treasure hunt.
4.20
3k+
George's Cosmic Treasure Hunt Summary
George's Cosmic Treasure Hunt 91%
A strange signal pulls two kids through a supercomputer portal on an interplanetary treasure hunt.
by Lucy Hawking 2009
4.20
3k+ 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
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
Ahsoka
by E.K. Johnston • 2016
After the Jedi fall, Ahsoka Tano hides on a farming moon. But the Empire always finds what it hunts.
4.07
46k+
Ahsoka Summary
Ahsoka 91%
After the Jedi fall, Ahsoka Tano hides on a farming moon. But the Empire always finds what it hunts.
by E.K. Johnston 2016
4.07
46k+ ratings
Edge of Victory I
by Greg Keyes • 2001
Aliens the Force cannot touch hunt the Jedi to extinction. The Skywalker family scatters to survive.
3.84
8k+
Edge of Victory I Summary
Edge of Victory I 91%
Aliens the Force cannot touch hunt the Jedi to extinction. The Skywalker family scatters to survive.
by Greg Keyes 2001
3.84
8k+ 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 91%
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
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
Old Man's War
by John Scalzi • 2005
A seventy-five-year-old widower joins the army for a new body and gets an interstellar war.
4.23
227k+
Old Man's War Summary
Old Man's War 91%
A seventy-five-year-old widower joins the army for a new body and gets an interstellar war.
by John Scalzi 2005
4.23
227k+ 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 91%
Crashed on a moon of endless night, survivors discover its creatures share a single alien mind.
by Adrian Tchaikovsky 2025
4.15
14k+ ratings
SYLO
by D.J. MacHale • 2013
When soldiers seal off his island, a teen discovers the quarantine hides a secret worth killing for.
3.92
5k+
SYLO Summary
SYLO 91%
When soldiers seal off his island, a teen discovers the quarantine hides a secret worth killing for.
by D.J. MacHale 2013
3.92
5k+ ratings
Cascade Failure
by L.M. Sagas • 2024
A deserter joins a ragtag crew and uncovers a terraforming weapon that silences entire planets.
3.88
4k+
Cascade Failure Summary
Cascade Failure 91%
A deserter joins a ragtag crew and uncovers a terraforming weapon that silences entire planets.
by L.M. Sagas 2024
3.88
4k+ ratings
The Six
by Mark Alpert • 2015
A paralyzed teen uploads his mind into a robot to fight his father's rogue AI.
3.81
1k+
The Six Summary
The Six 91%
A paralyzed teen uploads his mind into a robot to fight his father's rogue AI.
by Mark Alpert 2015
3.81
1k+ ratings
Light of the Jedi
by Charles Soule • 2021
A freighter explodes in hyperspace, raining debris on a system. Jedi unite to stop the cataclysm.
3.92
34k+
Light of the Jedi Summary
Light of the Jedi 91%
A freighter explodes in hyperspace, raining debris on a system. Jedi unite to stop the cataclysm.
by Charles Soule 2021
3.92
34k+ ratings
Unwind
by Neal Shusterman • 2007
Three teens flee a world that harvests adolescents for parts, chasing a hidden sanctuary.
4.17
251k+
Unwind Summary
Unwind 91%
Three teens flee a world that harvests adolescents for parts, chasing a hidden sanctuary.
by Neal Shusterman 2007
4.17
251k+ ratings
The Search for WondLa
by Tony DiTerlizzi • 2009
Raised in a bunker by a robot mother, a girl emerges into a future Earth to search for other humans.
4.11
14k+
The Search for WondLa Summary
The Search for WondLa 91%
Raised in a bunker by a robot mother, a girl emerges into a future Earth to search for other humans.
by Tony DiTerlizzi 2009
4.11
14k+ ratings
The Last Watch
by J.S. Dewes • 2021
Exiled to guard the universe's edge, a prince and a commander discover the boundary is collapsing.
3.97
12k+
The Last Watch Summary
The Last Watch 91%
Exiled to guard the universe's edge, a prince and a commander discover the boundary is collapsing.
by J.S. Dewes 2021
3.97
12k+ ratings
The Loop
by Ben Oliver • 2020
In a jail that harvests fear, a teen relies on secret friendships until the rain stops.
3.9
9k+
The Loop Summary
The Loop 91%
In a jail that harvests fear, a teen relies on secret friendships until the rain stops.
by Ben Oliver 2020
3.9
9k+ ratings
Infinity Lost
by S. Harrison • 2015
A girl discovers her memories are fake: she's the deadliest weapon her father ever built.
3.64
4k+
Infinity Lost Summary
Infinity Lost 91%
A girl discovers her memories are fake: she's the deadliest weapon her father ever built.
by S. Harrison 2015
3.64
4k+ ratings
The Swarm
by Orson Scott Card • 2016
Living ships swarm toward Earth, but military corruption may doom humanity before the aliens arrive.
4.14
7k+
The Swarm Summary
The Swarm 91%
Living ships swarm toward Earth, but military corruption may doom humanity before the aliens arrive.
by Orson Scott Card 2016
4.14
7k+ ratings
Queen's Peril
by E.K. Johnston • 2020
A fourteen-year-old queen. Five handmaidens trained as doubles. One planet on the brink of invasion.
3.94
10k+
Queen's Peril Summary
Queen's Peril 91%
A fourteen-year-old queen. Five handmaidens trained as doubles. One planet on the brink of invasion.
by E.K. Johnston 2020
3.94
10k+ ratings
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