Hiddensci-fi
Cover of The Ghost Brigades by John Scalzi
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The Ghost Brigades

John Scalzi

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Similar in themes

These books are ranked using the themes labels extracted for The Ghost Brigades.

Themes labels used: identity, consciousness, free will, ethics, morality, humanity, choice, personhood, colonization, war ethics, nature vs nurture, individual agency, technology ethics, loyalty, duty, selfhood

This does not mean the books share the same plot, setting, quality, or difficulty. It means their themes embeddings are close.

Cover of Descender, Vol. 5: Rise of the Robots by Jeff Lemire

Descender, Vol. 5: Rise of the Robots

Jeff Lemire · 2018 · Descender

As robots rise across the galaxy, Tim-21 and scattered allies are drawn into an interstellar war with buried origins.

Semantic match: ranked by themes

Distance: 0.0693

Cover of LIFEL1K3 by Jay Kristoff

LIFEL1K3

Jay Kristoff · 2018 · LIFEL1K3

A scavenger girl with a hidden power and a robot-like outsider flee a broken future while unraveling her past.

Semantic match: ranked by themes

Distance: 0.0715

Cover of The Mechanical by Ian Tregillis

The Mechanical

Ian Tregillis · 2015 · The Alchemy Wars

In a Dutch-dominated alternate 1920s, a sentient mechanical servant seeks freedom amid war, spies, and philosophy.

Semantic match: ranked by themes

Distance: 0.0739

Cover of The House of the Scorpion by Nancy Farmer

The House of the Scorpion

Nancy Farmer · 2002 · Matteo Alacran

A cloned boy raised as property in a drug lord’s future borderland must confront what makes him human.

Semantic match: ranked by themes

Distance: 0.0750

Cover of Dogs of War by Adrian Tchaikovsky

Dogs of War

Adrian Tchaikovsky · 2017 · Dogs of War

A genetically engineered war dog fights to obey his master, then questions the rules, the war, and his own right to exist.

Semantic match: ranked by themes

Distance: 0.0764

Cover of Defy the Fates by Claudia Gray

Defy the Fates

Claudia Gray · 2019 · Constellation

In a galaxy-spanning war, a mech and a human-mech hybrid fight to save each other and win freedom for all.

Semantic match: ranked by themes

Distance: 0.0798

Cover of vN by Madeline Ashby

vN

Madeline Ashby · 2012 · The Machine Dynasty

A self-replicating android girl goes on the run after a deadly outburst exposes a broken failsafe and a dangerous secret.

Semantic match: ranked by themes

Distance: 0.0801

Cover of Mindbreaker by Kate Dylan

Mindbreaker

Kate Dylan · 2023 · Mindwalker

A cult-raised teen accepts a corporate cure, only to wake in a robot body and uncover a conspiracy about identity and control.

Semantic match: ranked by themes

Distance: 0.0819

Cover of The Lord of Opium by Nancy Farmer

The Lord of Opium

Nancy Farmer · 2013 · Matteo Alacran

A cloned teen inherits a drug empire and must choose between preserving power and transforming a damaged world.

Semantic match: ranked by themes

Distance: 0.0819

Cover of Kiln People by David Brin

Kiln People

David Brin · 2002

A future PI uses short-lived copies of himself to solve a cloning crime that opens into a deeper mystery.

Semantic match: ranked by themes

Distance: 0.0825

Cover of Artificial Condition by Martha Wells

Artificial Condition

Martha Wells · 2018 · The Murderbot Diaries

A rogue security construct seeks the truth behind its erased past, aided by a sharp-witted transport AI.

Semantic match: ranked by themes

Distance: 0.0827

Cover of Tailored Realities by Brandon Sanderson

Tailored Realities

Brandon Sanderson · 2025

A non-Cosmere short fiction collection of sci-fi and fantasy ideas, including a new novella, author notes, and illustrations.

Semantic match: ranked by themes

Distance: 0.0835

Cover of Crossover by Joel Shepherd

Crossover

Joel Shepherd · 2006 · Cassandra Kresnov

An escaped android super-soldier seeks a normal life in enemy territory, but politics, violence, and identity questions pull her back in.

Semantic match: ranked by themes

Distance: 0.0846

Cover of Wakers by Orson Scott Card

Wakers

Orson Scott Card · 2022 · The Side Step Trilogy

A clone teen with the power to jump realities wakes alone on abandoned Earth and must solve why he was created.

Why this is here

Themes labels: identity · choice · consequence · free will · morality · responsibility · selfhood · humanity · survival · loneliness · trust · reality · causality · multiple selves · purpose · sacrifice · love

Semantic match: ranked by themes

Distance: 0.0851

Cover of Revenant Gun by Yoon Ha Lee

Revenant Gun

Yoon Ha Lee · 2018 · The Machineries of Empire

An amnesiac young general is used in a fractured empire’s last power struggle, while rivals and allies race to stop a tyrant.

Semantic match: ranked by themes

Distance: 0.0857

Cover of Ringer by Lauren Oliver

Ringer

Lauren Oliver · 2017 · Replica

Two separated girls navigate cloning fallout, hidden dangers, and identity questions in a dual-track sci-fi sequel.

Semantic match: ranked by themes

Distance: 0.0860

Cover of Aliens: Bishop by T.R. Napper

Aliens: Bishop

T.R. Napper · 2023 · Aliens / Predator / Prometheus Universe

An android with xenomorph secrets becomes the prize in a deadly chase involving Marines, corporations, and rivals.

Semantic match: ranked by themes

Distance: 0.0861

Cover of Rebel Skies by Ann Sei Lin

Rebel Skies

Ann Sei Lin · 2024 · Rebel Skies

A servant girl with forbidden paper magic is swept into a skyship hunt, empire secrets, and a fight over what shikigami are.

Semantic match: ranked by themes

Distance: 0.0863

Cover of Alex + Ada, Vol. 2 by Jonathan Luna

Alex + Ada, Vol. 2

Jonathan Luna, Sarah Vaughn · 2015 · Alex + Ada

A sentient android and the man who freed her face growing feelings as anti-robot pressure tightens around them.

Semantic match: ranked by themes

Distance: 0.0865

Cover of The Diabolic by S.J. Kincaid

The Diabolic

S.J. Kincaid · 2016 · The Diabolic

A genetically engineered bodyguard impersonates her charge at a corrupt imperial court to keep her safe—and survive.

Semantic match: ranked by themes

Distance: 0.0867

Cover of Immobility by Brian Evenson

Immobility

Brian Evenson · 2012

An amnesiac paraplegic is sent across a ruined wasteland on a mysterious mission that may reveal what he truly is.

Semantic match: ranked by themes

Distance: 0.0868

Cover of The Last Town by Blake Crouch

The Last Town

Blake Crouch · 2014 · Wayward Pines

After a town-wide revelation, Ethan Burke must help Wayward Pines survive when its defenses fail and the outside threat pours in.

Semantic match: ranked by themes

Distance: 0.0868

Cover of The Last Human by Zack  Jordan

The Last Human

Zack Jordan · 2020

A hidden human teen on an alien space station is thrust into a galaxy-spanning chase that tests intelligence, freedom, and identity.

Semantic match: ranked by themes

Distance: 0.0872