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Found Family sci-fi books
Blood doesn't make a family — loyalty does. These books feature ragtag groups of misfits who become each other's everything.
455 books

Duty's Reward:
XAdult 18+

Ray Guns and Late Fees
PG-13Adult 18+

Proportional Response:
RAdult 18+

Ashes of Halcyon
RAdult 18+

The Kurtherian Saga Boxed Set One: Kurtherian Gambit Books 1-11 (The Kurtherian Saga Boxed Sets Book 1)
RAdult 18+

Assassin's Flight: A Novel in the Dumb Luck & Dead Heroes Universe
RAdult 18+

Warlords & War Machines: The Complete Military Science Fiction Epic
RAdult 18+

My Homemade Spaceship 12: A Space Opera
PG-13Adult 18+

Space Rodeo
PG-13Adult 18+

Legacy of the Fallen
RAdult 18+

Gold Medal Marine
RAdult 18+

Alien Attachment: A Steamy Scifi Romance
XAdult 18+

Blood Meteor
RAdult 18+

The Horus Heresy: Novella Collection 3: The Horus Heresy
Hard RAdult 18+

Last Dragon on Mars
RAdult 18+

Body Cultivation Hurts
RAdult 18+

High Noon Cyborg (Cyborgs on Mars)
RAdult 18+

Grave Matter: A Dark Gothic Romance Psych Thriller
Hard RAdult 18+

Infection: A Post-Apocalyptic Survival Novel
PG-13Adult 18+

Waking Wild
XAdult 18+

Midnight
RAdult 18+

The Collapse: A Zombie Outbreak Thriller (Aftermath)
RAdult 18+

RESOLUTION
RAdult 18+

Isolation: A Post-Apocalyptic Survival Novel
RAdult 18+

Hunger: The Complete Trilogy
RAdult 18+

NEOGENESIS: A SciFi Adventure
PG-13Adult 18+

The Cyborg Way (Cyborgs on Mars)
RAdult 18+

The Lone Cyborg (Cyborgs on Mars)
RAdult 18+

Slumdog Hero: A Progression Fantasy
RAdult 18+

Xara and the Xenobeast: A SciFi Alien Romance
RAdult 18+