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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

The Signal Beneath the Sand
PG-13Adult 18+

Hell World
RAdult 18+

The Lost Maddox
PG-13Adult 18+

Accidental Astronaut 2
PG-13YA 12-17

Captain Shadow
PG-13Adult 18+

The Legion is My Country: A Miltary Sci-Fi Series
RAdult 18+

Artifact: Old Mans Comeback
RAdult 18+

Black Swan 2: A Natural Disaster Thriller (Black Swan Event)
PG-13Adult 18+

Entropy (First Contact)
PG-13Adult 18+

Vengeance: A Sci-Fi Alien Warrior Romance
RAdult 18+

Return of the Alien Warrior
RAdult 18+

Spin
PG-13Adult 18+

Redshirts: A Novel with Three Codas
PG-13Adult 18+

How to Train Your Human Omega: An MM Alien SciFi Romance
XAdult 18+

Having the Barbarian's Baby: Ice Planet Barbarians: A Slice of Life Short Story
RAdult 18+

Gold Rush (First Contact)
PGAdult 18+

Arrival: A Silo 42 Protopian Adventure
PG-13Adult 18+

The Darkening: An Apocalyptic Survival Story
RAdult 18+

The Crying of Ross 128
PG-13Adult 18+

Ice Ice Babies: Ice Planet Barbarians: A Slice of Life Short Story
RAdult 18+

Renegades of the Void Series: First Trilogy Boxset: A Military Science Fiction Space Opera Adventure (Renegades of the Void Collections Book 1)
PG-13Adult 18+

Arcadia: Insterstellar Trader Book Five
PGAdult 18+

First Voyage
PGMiddle Grade 8-12

Salvager
PGAdult 18+

Isles of the Emberdark: A Cosmere Novel (Secret Projects)
PG-13Adult 18+

To Valor's Bid:
RAdult 18+

Rallying Recovery:
RAdult 18+

Gathering Strength:
RAdult 18+

Defiant Foes:
RAdult 18+

The Horus Heresy: Novella Collection 1: The Horus Heresy
RAdult 18+