The Alien's Concubines
by N.R. Star
4.00 · 2 ratings
invasion · adult · violent-conflict · sci-fi · fiction · aliens · fantasy · book · steamy · romance · paranormal · suspense · action-adventure · poc-mc · age-gap
The Alien's Concubines: Similar 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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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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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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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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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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Accidental Alien Brides
by January Bell
4.22 · 64 ratings
romance · sci-fi · adult · aliens · fiction · action-adventure · paranormal · steamy · book · first-contact · military · fated-mates · humor · arranged-marriage · invasion · space-fleet · violent-conflict · forced-proximity · dark · monsters
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Dark Space
by Lisa Henry
4.02 · 42 ratings
book · military · adult · violent-conflict · sci-fi · space-opera · aliens · fiction · action-adventure · futuristic · lgbtq · war · dystopia · space · angst · mlm · romance · dark · mystery · audiobook
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Kiss Series
by M.K. Eidem
4.11 · 38 ratings
aliens · fiction · adult · shapeshifters · romance · dragons · paranormal · fated-mates · age-gap · book · steamy · alpha-mc · audiobook · fantasy · sci-fi · violent-conflict · first-contact · invasion · royalty · supernatural
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Fire Planet Warriors
by Calista Skye
4.03 · 36 ratings
aliens · exploration · fiction · paranormal · invasion · romance · book · sci-fi · space-travel · first-contact · violent-conflict · adult · poc-mc · action-adventure · steamy · soldiers · military · humor · survival · warriors
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Intergalactic Exchange Program
by Roxie Ray
4.22 · 76 ratings
adult · aliens · fiction · paranormal · book · sci-fi · action-adventure · female-mc · invasion · violent-conflict · steamy · romance · first-contact · audiobook · new-adult · poc-mc · futuristic · dystopia · family · royalty
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Starfighter Training Academy
by Grace Goodwin
4.22 · 41 ratings
fiction · action-adventure · sci-fi · military · adult · romance · book · paranormal · audiobook · genetic-engineering · war · aliens · first-contact · space-fleet · violent-conflict · invasion · steamy · colonization · space · suspense
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Lunarian Warriors
by Roxie Ray
4.21 · 56 ratings
audiobook · paranormal · romance · book · adult · sci-fi · female-mc · action-adventure · aliens · fiction · invasion · steamy · first-contact · violent-conflict · poc-mc · multi-pov · alpha-mc · suspense · shapeshifters · new-adult
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Latharian Mate Program
by Mina Carter
4.43 · 30 ratings
book · romance · sci-fi · adult · fiction · paranormal · invasion · violent-conflict · aliens · fantasy · steamy · fated-mates · age-gap · warriors · action-adventure · galactic-empire · arranged-marriage · class-difference · alpha-mc · space
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Warriors of the Drexian Academy
by Tana Stone
4.55 · 22 ratings
sci-fi · aliens · action-adventure · galactic-empire · violent-conflict · adult · romance · invasion · book · female-mc · fantasy · humor · fiction · new-adult · enemies-to-lovers · forced-proximity · age-gap · steamy · epic · paranormal
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Eok Warriors
by Mary Auclair
4.20 · 36 ratings
action-adventure · fiction · sci-fi · adult · romance · book · aliens · first-contact · paranormal · alpha-mc · female-mc · violent-conflict · invasion · steamy · suspense · futuristic · outlaws · new-adult · vampires · space
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Brides of the Aashi
by Belle Harper
3.86 · 28 ratings
polyamory · first-contact · violent-conflict · adult · sci-fi · female-mc · action-adventure · humor · aliens · fiction · invasion · romance · book · reverse-harem · steamy · new-adult · paranormal · fantasy · fated-mates · male-mc
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Brides of the Zuldrux Warriors
by Ava Ross
4.27 · 30 ratings
barbarians · colonization · steamy · book · romance · space · paranormal · fantasy · aliens · fiction · monsters · fated-mates · adult · female-author · sci-fi · urban-fantasy · warriors · humor · kind-mc · invasion
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Haalux Empire
by Hattie Jacks
4.37 · 35 ratings
aliens · fiction · invasion · romance · first-contact · adult · violent-conflict · sci-fi · galactic-empire · poc-mc · fantasy · action-adventure · book · steamy · female-mc · futuristic · time-travel · technothriller · anthologies · paranormal
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Tail and Claw
by Nancey Cummings
4.06 · 28 ratings
book · adult · romance · aliens · fiction · contemporary · audiobook · invasion · violent-conflict · first-contact · sci-fi · action-adventure · paranormal · colonization · humor · arranged-marriage · supernatural · steamy · fantasy · dystopia
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Alien Baby Pact
by Aurelia Skye
4.00 · 13 ratings
sci-fi · fiction · first-contact · violent-conflict · adult · romance · invasion · book · poc-mc · aliens · paranormal · genetic-engineering · steamy · colonization · fantasy · new-adult · military · alpha-mc · futuristic · action-adventure
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Warriors of the Lost Planet
by Ivy Sparks
4.19 · 16 ratings
romance · aliens · fiction · adult · first-contact · sci-fi · book · invasion · paranormal · action-adventure · fantasy · poc-mc · violent-conflict · female-mc · royalty · revenge · barbarians · steamy · anthologies · forced-proximity
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Dazon Agenda
by Juno Wells
3.83 · 23 ratings
fiction · sci-fi · adult · romance · book · aliens · steamy · poc-mc · paranormal · genetic-engineering · military · first-contact · violent-conflict · invasion · action-adventure · contemporary · space-fleet · dark · new-adult · mystery
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Fated Mates of the Varool
by Krista Luna
4.28 · 32 ratings
fiction · aliens · adult · humor · sci-fi · action-adventure · romance · violent-conflict · invasion · fated-mates · space-travel · space-opera · genetic-engineering · paranormal · female-mc · military · soldiers · book · fantasy · comics
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Genmate Dilemma
by Cara Bristol
4.50 · 6 ratings
life-death · space-travel · sci-fi · adult · violent-conflict · first-contact · secrets · fated-mates · aliens · fiction · action-adventure · psychics · enemies-to-lovers · paranormal · suspense · genetic-engineering · contemporary · shapeshifters · book · steamy
All books in this series ❯