Her Alien Beast
by Starla Fleet
4.50 · 2 ratings
first-contact · monsters · steamy · book · romance · invasion · captivity · action-adventure · aliens · female-mc · revenge · barbarians · fiction · sci-fi · paranormal · dark · alpha-mc · space · violent-conflict · adult
Her Alien Beast: Similar series
House of Kaimar
by Miranda Bridges
4.13 · 112 ratings
action-adventure · aliens · female-mc · fiction · dark · sci-fi · violent-conflict · adult · first-contact · book · kidnapping · romance · paranormal · contemporary · steamy · invasion · alpha-mc · fated-mates · insta-love · royalty
All books in this series ❯
Galactic Gladiators
by Anna Hackett
4.32 · 306 ratings
adult · sci-fi · aliens · fiction · romance · book · invasion · violent-conflict · military · first-contact · warriors · audiobook · paranormal · steamy · action-adventure · alpha-mc · space · suspense · female-mc · supernatural
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Cosmos' Gateway
by S.E. Smith
4.17 · 138 ratings
romance · audiobook · contemporary · alpha-mc · fiction · aliens · sci-fi · invasion · book · paranormal · action-adventure · futuristic · military · first-contact · violent-conflict · space-fleet · adult · soldiers · steamy · alternate-history
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Prime Mating Agency
by Regine Abel
4.17 · 256 ratings
aliens · monsters · first-contact · sci-fi · paranormal · fiction · adult · colonization · book · romance · humor · violent-conflict · invasion · poc-mc · fated-mates · arranged-marriage · marriage-of-convenience · alpha-mc · futuristic · steamy
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Alien Lord's Captive Serial
by Mina Carter
3.92 · 63 ratings
book · steamy · military · adult · dark · sci-fi · aliens · fiction · warriors · action-adventure · futuristic · space · alpha-mc · paranormal · romance · kidnapping · violent-conflict · female-mc · inter-galactic · royalty
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Captured by Aliens
by A.G. Wilde
4.03 · 77 ratings
fiction · aliens · action-adventure · female-mc · adult · first-contact · sci-fi · book · steamy · romance · paranormal · dark · kidnapping · alpha-mc · galactic-empire · humor · poc-mc · slow-burn · violent-conflict · invasion
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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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Riv’s Sanctuary
by A.G. Wilde
4.12 · 44 ratings
dark · sci-fi · adult · futuristic · poc-mc · female-mc · fiction · aliens · action-adventure · humor · paranormal · alpha-mc · space · romance · kidnapping · book · first-contact · violent-conflict · galactic-empire · audiobook
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Fated Mates of the Kalixian Warriors
by Presley Hall
4.22 · 161 ratings
romance · book · paranormal · aliens · fiction · fated-mates · adult · sci-fi · space · female-mc · humor · invasion · audiobook · action-adventure · first-contact · violent-conflict · steamy · alpha-mc · kind-mc · kidnapping
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Ruth & Gron
by V.C. Lancaster
3.85 · 87 ratings
adult · romance · steamy · paranormal · fiction · aliens · sci-fi · invasion · book · reverse-harem · alpha-mc · monsters · polyamory · first-contact · violent-conflict · space · forced-proximity · action-adventure · barbarians · kind-mc
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Hearts of Stone
by Miranda Bridges
4.17 · 72 ratings
aliens · fiction · action-adventure · dark · sci-fi · adult · romance · book · steamy · kidnapping · paranormal · contemporary · violent-conflict · alpha-mc · war · female-mc · new-adult · first-contact · invasion · royalty
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Raider Warlords of the Vandar
by Tana Stone
4.30 · 142 ratings
book · adult · sci-fi · aliens · fiction · galactic-empire · romance · steamy · first-contact · female-mc · action-adventure · space · invasion · violent-conflict · humor · paranormal · new-adult · alpha-mc · audiobook · fighter
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Claimings
by Lyn Gala
4.17 · 63 ratings
aliens · fiction · age-gap · lgbtq · adult · sci-fi · mlm · romance · steamy · book · audiobook · paranormal · action-adventure · slow-burn · military · violent-conflict · space · friends-to-lovers · futuristic · female-author
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Dark World Mates
by Olivia Riley
3.97 · 60 ratings
aliens · fiction · adult · sci-fi · book · romance · action-adventure · female-mc · violent-conflict · first-contact · invasion · alpha-mc · slow-burn · military · space · suspense · paranormal · prison · monsters · space-opera
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Sarazen Saga
by Isabel Wroth
4.15 · 52 ratings
sci-fi · adult · fated-mates · aliens · fiction · paranormal · book · shapeshifters · romance · violent-conflict · first-contact · alpha-mc · contemporary · invasion · space · steamy · space-opera · insta-love · children · monsters
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The Darvel Exploratory Systems
by S.J. Sanders
4.09 · 52 ratings
monsters · paranormal · romance · book · adult · sci-fi · aliens · fiction · urban-fantasy · steamy · futuristic · alpha-mc · audiobook · myths · space · invasion · violent-conflict · new-adult · space-travel · female-mc
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Roh'ilian Warrior
by Luna Kingsley
3.97 · 51 ratings
female-mc · aliens · fiction · action-adventure · first-contact · military · historical · adult · violent-conflict · sci-fi · invasion · romance · book · paranormal · dark · new-adult · kind-mc · kidnapping · abuse · alpha-mc
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Outer Limits Quadrant
by Alexis B. Osborne
4.02 · 27 ratings
paranormal · romance · steamy · book · military · adult · sci-fi · action-adventure · aliens · fiction · monsters · space · genetic-engineering · galactic-empire · invasion · first-contact · violent-conflict · soldiers · dark · space-travel
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The Ravager Chronicles
by Sara Page
3.86 · 42 ratings
polyamory · steamy · adult · sci-fi · aliens · fiction · paranormal · romance · book · reverse-harem · space-opera · poc-mc · action-adventure · space · military · fated-mates · royalty · first-contact · violent-conflict · space-fleet
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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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Vrisha Warriors
by Olivia Riley
4.19 · 26 ratings
adult · romance · book · slow-burn · action-adventure · aliens · sci-fi · fiction · paranormal · first-contact · invasion · colonization · enemies-to-lovers · multi-pov · space · forced-proximity · monsters · exploration · soldiers · dark
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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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Warrior Clans of Maekon
by Jude Gray
4.06 · 18 ratings
female-mc · aliens · fiction · romance · book · first-contact · steamy · adult · paranormal · sci-fi · space-travel · action-adventure · invasion · kidnapping · violent-conflict · alpha-mc · dark · galactic-empire · psychics · barbarians
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Anguis Defenders
by Stephanie West
4.06 · 17 ratings
aliens · fiction · new-adult · sci-fi · military · first-contact · alpha-mc · violent-conflict · adult · invasion · book · action-adventure · dark · paranormal · romance · futuristic · steamy · humor · biker · suspense
All books in this series ❯