Unexpected
by Layla Stone
4.06 · 18 ratings
book · romance · paranormal · futuristic · aliens · fiction · sci-fi · adult · invasion · colonization · action-adventure · space-opera · violent-conflict · first-contact · kidnapping · steamy · abuse · galactic-empire · genetic-engineering · poc-mc
Unexpected: Similar series
House of Kaimar
by Miranda Bridges
4.13 · 112 ratings
aliens · fiction · action-adventure · female-mc · adult · violent-conflict · first-contact · dark · sci-fi · kidnapping · book · romance · contemporary · paranormal · steamy · invasion · alpha-mc · killer · fated-mates · insta-love
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Cosmos' Gateway
by S.E. Smith
4.17 · 138 ratings
aliens · fiction · sci-fi · romance · audiobook · contemporary · alpha-mc · futuristic · action-adventure · soldiers · military · first-contact · violent-conflict · space-fleet · adult · invasion · book · paranormal · alternate-history · steamy
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Captured by Aliens
by A.G. Wilde
4.03 · 77 ratings
paranormal · action-adventure · aliens · fiction · female-mc · adult · first-contact · sci-fi · book · steamy · romance · 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 · sci-fi · adult · romance · book · futuristic · action-adventure · military · post-apocalyptic · paranormal · audiobook · first-contact · violent-conflict · dystopia · warriors · space-travel · invasion · steamy · contemporary
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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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Aurora Rising
by G.S. Jennsen
4.13 · 66 ratings
first-contact · military · sci-fi · space-opera · space-travel · fiction · action-adventure · cyberpunk · galactic-empire · colonization · book · space-fleet · violent-conflict · aliens · exploration · space · ai · romance · adult · soldiers
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Mail-Order Brides of Crakair
by Ava Ross
4.19 · 82 ratings
action-adventure · humor · romance · book · sci-fi · adult · fiction · aliens · galactic-empire · audiobook · invasion · colonization · violent-conflict · dystopia · steamy · insta-love · first-contact · paranormal · new-adult · soldiers
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Alien Overlords
by Taylor Vaughn
4.12 · 66 ratings
sci-fi · adult · poc-mc · aliens · fiction · paranormal · book · romance · dark · military · black-mc · futuristic · alpha-mc · kidnapping · steamy · sexual-assault · violent-conflict · action-adventure · audiobook · captivity
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Roh'ilian Warrior
by Luna Kingsley
3.97 · 51 ratings
sci-fi · book · invasion · romance · paranormal · action-adventure · aliens · female-mc · fiction · violent-conflict · historical · adult · military · first-contact · kind-mc · kidnapping · dark · new-adult · abuse · alpha-mc
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Outer Limits Quadrant
by Alexis B. Osborne
4.02 · 27 ratings
sci-fi · adult · military · monsters · action-adventure · fiction · aliens · paranormal · book · steamy · romance · space-travel · soldiers · dark · violent-conflict · first-contact · slow-burn · exploration · galactic-empire · genetic-engineering
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Alien Abductors
by Calista Skye
4.08 · 36 ratings
romance · book · alpha-mc · paranormal · poc-mc · humor · aliens · fiction · adult · sci-fi · invasion · steamy · exploration · futuristic · first-contact · violent-conflict · dark · space-travel · shapeshifters · kidnapping
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The Ravager Chronicles
by Sara Page
3.86 · 42 ratings
sci-fi · adult · polyamory · aliens · fiction · paranormal · book · reverse-harem · steamy · romance · space-opera · action-adventure · poc-mc · space · military · fated-mates · royalty · space-travel · dark · demons
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Starfighter Training Academy
by Grace Goodwin
4.22 · 41 ratings
book · romance · paranormal · genetic-engineering · audiobook · action-adventure · fiction · sci-fi · adult · military · steamy · invasion · colonization · war · aliens · violent-conflict · space-fleet · first-contact · suspense · space
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Warriors of Karal
by Harmony Raines
4.18 · 38 ratings
action-adventure · paranormal · sci-fi · galactic-empire · space-travel · first-contact · contemporary · adult · violent-conflict · invasion · romance · steamy · book · colonization · aliens · exploration · fiction · warriors · dystopia · genetic-engineering
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Veredian Chronicles
by Regine Abel
4.35 · 64 ratings
fiction · adult · sci-fi · romance · book · paranormal · aliens · action-adventure · humor · military · new-adult · soldiers · steamy · genetic-engineering · colonization · futuristic · invasion · reverse-harem · psychics · female-author
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Asterion Noir
by G.S. Jennsen
4.39 · 18 ratings
cyberpunk · genetic-engineering · space · audiobook · galactic-empire · politics · suspense · colonization · book · technothriller · invasion · romance · space-fleet · adult · violent-conflict · first-contact · horror · military · space-travel · space-opera
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The Ladyships
by Bex McLynn
4.25 · 24 ratings
paranormal · book · adult · sci-fi · fiction · romance · space-fleet · military · aliens · action-adventure · humor · futuristic · alpha-mc · steamy · kidnapping · invasion · violent-conflict · female-author · first-contact · dark
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Project: Adapt
by Jade Waltz
4.14 · 29 ratings
adult · polyamory · space-opera · sci-fi · aliens · fiction · royalty · book · reverse-harem · romance · fated-mates · genetic-engineering · paranormal · poc-mc · female-mc · action-adventure · colonization · first-contact · assassins · epic
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Venora Mates
by Octavia Kore
3.95 · 21 ratings
fiction · adult · book · humor · action-adventure · aliens · monsters · lgbtq · violent-conflict · polyamory · horror · dark · sci-fi · colonization · supernatural · reverse-harem · invasion · romance · genetic-engineering · paranormal
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Unexpected
by Layla Stone
4.06 · 18 ratings
book · romance · paranormal · futuristic · aliens · fiction · sci-fi · adult · invasion · colonization · action-adventure · space-opera · violent-conflict · first-contact · kidnapping · steamy · abuse · galactic-empire · genetic-engineering · poc-mc
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Fated Mates of the Titan Empire
by Tammy Walsh
4.15 · 27 ratings
aliens · fiction · humor · sci-fi · colonization · book · invasion · romance · adult · genetic-engineering · violent-conflict · first-contact · galactic-empire · space-travel · space-opera · paranormal · action-adventure · military · new-adult · prison
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Alpha Alien
by Flora Dare
3.37 · 19 ratings
romance · steamy · aliens · fiction · adult · sci-fi · book · contemporary · inter-galactic · paranormal · space · colonization · invasion · genetic-engineering · galactic-empire · action-adventure · humor · exploration · fated-mates · military
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Revant Warriors
by Celeste Raye
3.91 · 11 ratings
adult · aliens · fiction · genetic-engineering · cyberpunk · military · space-fleet · first-contact · space-travel · violent-conflict · galactic-empire · soldiers · sci-fi · action-adventure · exploration · colonization · book · invasion · paranormal · steamy
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Blue Planet Warriors
by Maia Starr
3.93 · 14 ratings
aliens · fiction · adult · sci-fi · colonization · invasion · romance · book · genetic-engineering · paranormal · galactic-empire · action-adventure · exploration · futuristic · military · first-contact · violent-conflict · space-fleet · soldiers · space-travel
All books in this series ❯