Xxan War
by Brenna Lyons
3.82 · 11 ratings
sci-fi · adult · book · steamy · futuristic · romance · aliens · fiction · military · action-adventure · supernatural · paranormal · alpha-mc · shapeshifters · children · epic · space · drama · gothic
Xxan War: Similar series
Corsairs
by Ruby Dixon
4.04 · 140 ratings
dark · sci-fi · adult · fated-mates · outlaws · aliens · fiction · paranormal · multi-pov · space · alpha-mc · romance · kidnapping · book · steamy · slavery · action-adventure · humor · audiobook · friends-to-lovers
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Eon Warriors
by Anna Hackett
4.39 · 180 ratings
action-adventure · aliens · fiction · adult · military · soldiers · sci-fi · steamy · romance · audiobook · female-mc · space-fleet · book · space · galactic-empire · paranormal · fated-mates · alpha-mc · war · violent-conflict
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Aldebarian Alliance
by Dianne Duvall
4.37 · 89 ratings
romance · book · vampires · paranormal · audiobook · alpha-mc · female-mc · action-adventure · aliens · fiction · sci-fi · adult · space · humor · military · first-contact · steamy · urban-fantasy · suspense · contemporary
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The Mandrake Company
by Ruby Lionsdrake
4.01 · 123 ratings
romance · action-adventure · fiction · sci-fi · space-opera · adult · book · audiobook · futuristic · aliens · steamy · paranormal · space · military · humor · female-author · galactic-empire · soldiers · space-fleet · alpha-mc
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The Alliance
by S.E. Smith
4.12 · 120 ratings
aliens · fiction · romance · book · sci-fi · adult · paranormal · audiobook · post-apocalyptic · military · futuristic · action-adventure · dystopia · first-contact · violent-conflict · contemporary · invasion · space · steamy · space-travel
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Braxians
by Regine Abel
4.32 · 40 ratings
adult · aliens · fiction · sci-fi · paranormal · book · romance · dark · alpha-mc · gothic · steamy · military · new-adult · exploration · action-adventure · futuristic · suspense · historical · slavery · invasion
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The Blue Solace
by C.W. Gray
4.25 · 66 ratings
sci-fi · mlm · book · romance · paranormal · aliens · action-adventure · fiction · lgbtq · futuristic · adult · shapeshifters · omegaverse · military · children · audiobook · humor · family · abuse · steamy
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Lady Blue Crew
by Lynn Hagen
3.88 · 74 ratings
futuristic · lgbtq · aliens · fiction · sci-fi · adult · romance · steamy · book · shapeshifters · mlm · paranormal · action-adventure · space · military · alpha-mc · abuse · animals · cats · time-travel
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Alien Raiders' Brides
by Vi Voxley
4.08 · 29 ratings
book · steamy · action-adventure · aliens · fiction · dark · sci-fi · paranormal · military · first-contact · adult · futuristic · kidnapping · romance · warriors · sexual-assault · alpha-mc · fated-mates · dystopia · other-world
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Veredian Chronicles
by Regine Abel
4.35 · 64 ratings
fiction · sci-fi · adult · paranormal · romance · book · action-adventure · aliens · humor · new-adult · soldiers · military · genetic-engineering · steamy · colonization · futuristic · invasion · reverse-harem · female-author · first-contact
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Taken
by Stacy Jones
4.18 · 34 ratings
adult · polyamory · sci-fi · aliens · fiction · paranormal · book · steamy · reverse-harem · romance · action-adventure · female-mc · alpha-mc · space · military · warriors · multi-pov · dragons · shapeshifters · dark
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Project Gleise 581g
by S.E. Smith
4.10 · 20 ratings
aliens · fiction · sci-fi · audiobook · military · adult · romance · book · action-adventure · violent-conflict · futuristic · steamy · soldiers · suspense · assassins · galactic-empire · political-intrigue · first-contact · invasion · dystopia
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Cadi Warriors
by Stephanie West
4.11 · 45 ratings
alpha-mc · invasion · steamy · book · first-contact · adult · violent-conflict · sci-fi · aliens · fiction · romance · military · new-adult · action-adventure · paranormal · female-mc · futuristic · humor · war · supernatural
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Clan Beginnings
by Tracy St. John
4.18 · 44 ratings
book · lgbtq · mlm · fiction · sci-fi · adult · romance · steamy · aliens · paranormal · space · action-adventure · futuristic · military · alpha-mc · polyamory · violent-conflict · age-gap · shapeshifters · war
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Alien Slave Masters
by Samantha Cayto
3.76 · 36 ratings
enemies-to-lovers · dystopia · space · book · steamy · captivity · romance · mlm · abuse · dark · sci-fi · adult · lgbtq · sexual-assault · futuristic · aliens · fiction · slavery · military · action-adventure
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Chamele Barbarian Warlords/Barbarian Claims
by Cynthia Sax
3.96 · 23 ratings
adult · romance · genetic-engineering · sci-fi · aliens · fiction · book · futuristic · paranormal · steamy · first-contact · military · space · action-adventure · invasion · violent-conflict · alpha-mc · contemporary · cyborgs · barbarians
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Galactic Pirate Brides
by Tamsin Ley
4.16 · 27 ratings
sci-fi · adult · aliens · fiction · action-adventure · paranormal · first-contact · futuristic · female-mc · outlaws · genetic-engineering · book · romance · violent-conflict · suspense · alpha-mc · invasion · military · galactic-empire · steamy
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Men of Mettle
by Cara Bristol
4.05 · 42 ratings
aliens · fiction · adult · sci-fi · romance · cyborgs · action-adventure · book · steamy · paranormal · futuristic · military · genetic-engineering · suspense · space · first-contact · domestic-drama · insta-love · audiobook · disability
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Unexpected
by Layla Stone
4.06 · 18 ratings
romance · book · paranormal · futuristic · aliens · fiction · sci-fi · adult · invasion · colonization · action-adventure · space-opera · first-contact · violent-conflict · kidnapping · steamy · abuse · galactic-empire · genetic-engineering · poc-mc
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Earth Evolution
by K.D. Jones
4.00 · 12 ratings
book · apocalyptic · aliens · fiction · sci-fi · adult · dystopia · futuristic · post-apocalyptic · romance · steamy · action-adventure · paranormal · military · male-mc · space · womens-fiction · kidnapping · warriors · spirituality
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Quads of Alpha S
by Kelex
3.56 · 16 ratings
steamy · adult · paranormal · sci-fi · mlm · aliens · fiction · romance · lgbtq · book · polyamory · military · bdsm · bodyguard · space · vampires · action-adventure · age-gap · futuristic · sexual-assault
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Planet Alpha
by Nicola Cameron
3.53 · 45 ratings
fiction · romance · book · steamy · sci-fi · adult · aliens · futuristic · lgbtq · fated-mates · dystopia · kidnapping · dark · action-adventure · paranormal · mlm · military · alpha-mc · disability · warriors
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Tribute
by Kate Pearce
3.33 · 9 ratings
fiction · sci-fi · space-opera · horror · adult · dystopia · romance · steamy · mlm · aliens · action-adventure · dark · sexual-assault · multi-pov · military · bdsm · futuristic · lgbtq · book · urban
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Starlight Chronicles
by Annabel Wolfe
3.44 · 9 ratings
book · adult · sci-fi · fiction · romance · futuristic · steamy · contemporary · military · aliens · fantasy · action-adventure · kidnapping · polyamory · paranormal · dark · space · magic · box-set · time-travel
All books in this series ❯