Centauri Brides
by Kallista Dane
4.31 · 26 ratings
fiction · aliens · book · invasion · violent-conflict · adult · first-contact · romance · sci-fi · exploration · space · space-travel · action-adventure · steamy · paranormal · fated-mates · military · mystery · female-mc · wlw
Centauri Brides: 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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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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Ruth & Gron
by V.C. Lancaster
3.85 · 87 ratings
sci-fi · steamy · romance · paranormal · aliens · fiction · adult · reverse-harem · book · invasion · alpha-mc · monsters · violent-conflict · first-contact · polyamory · forced-proximity · space · action-adventure · barbarians · kind-mc
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Claimings
by Lyn Gala
4.17 · 63 ratings
lgbtq · audiobook · paranormal · mlm · romance · steamy · book · adult · sci-fi · fiction · aliens · age-gap · space · friends-to-lovers · military · violent-conflict · action-adventure · slow-burn · alpha-mc · angst
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The Ujal
by Erin Tate
4.04 · 92 ratings
adult · aliens · fiction · paranormal · steamy · shapeshifters · romance · sci-fi · book · space-travel · violent-conflict · first-contact · mermaids · humor · exploration · galactic-empire · invasion · colonization · insta-love · futuristic
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Shamans & Shifters Space Opera
by Jenny Schwartz
4.33 · 46 ratings
adult · romance · book · shapeshifters · paranormal · space · action-adventure · aliens · fiction · sci-fi · space-travel · space-opera · first-contact · futuristic · outlaws · magic · colonization · fae · galactic-empire · cyberpunk
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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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Fire Planet Warriors
by Calista Skye
4.03 · 36 ratings
poc-mc · aliens · exploration · fiction · action-adventure · first-contact · violent-conflict · adult · sci-fi · space-travel · invasion · romance · book · paranormal · humor · military · soldiers · steamy · warriors · survival
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Star
by Susan Grant
3.97 · 69 ratings
paranormal · romance · adult · sci-fi · aliens · fiction · futuristic · book · action-adventure · galactic-empire · steamy · space-opera · female-mc · space · invasion · first-contact · violent-conflict · royalty · contemporary · anthologies
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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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Chosen by the Karal
by Harmony Raines
3.90 · 50 ratings
aliens · exploration · fiction · first-contact · violent-conflict · adult · sci-fi · space-travel · colonization · invasion · romance · book · genetic-engineering · paranormal · galactic-empire · futuristic · steamy · contemporary · dystopia · post-apocalyptic
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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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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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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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We Are Nepenthe
by Octavia Hyde
3.75 · 25 ratings
aliens · monsters · paranormal · fiction · adult · sci-fi · mlm · romance · book · steamy · exploration · futuristic · first-contact · violent-conflict · space-travel · colonization · invasion · dystopia · humor · mermaids
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Interstellar Protections Agency
by Jade Waltz
3.61 · 18 ratings
romance · book · paranormal · aliens · fiction · adult · invasion · steamy · space · alpha-mc · humor · action-adventure · monsters · first-contact · violent-conflict · sci-fi · space-travel · kidnapping · friends-to-lovers · marriage-of-convenience
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Warrior Kings of Alioth
by Sara Ivy Hill
4.23 · 22 ratings
sci-fi · book · romance · paranormal · aliens · fiction · fated-mates · adult · supernatural · monsters · steamy · first-contact · grumpy-mc · violent-conflict · grumpy-sunshine · fantasy · cheerful-mc · space-travel · exploration · invasion
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Heat
by Leigh Wyndfield
3.85 · 27 ratings
steamy · book · romance · aliens · fiction · adult · paranormal · action-adventure · female-mc · humor · sci-fi · first-contact · invasion · space · violent-conflict · alpha-mc · captivity · supernatural · on-the-run · futuristic
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Star Warrior
by C.F. Harris
3.88 · 16 ratings
action-adventure · humor · aliens · fiction · book · romance · military · adult · sci-fi · exploration · invasion · first-contact · violent-conflict · space-fleet · new-adult · soldiers · space-travel · galactic-empire · futuristic · paranormal
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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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Centauri Brides
by Kallista Dane
4.31 · 26 ratings
fiction · aliens · book · invasion · violent-conflict · adult · first-contact · romance · sci-fi · exploration · space · space-travel · action-adventure · steamy · paranormal · fated-mates · military · mystery · female-mc · wlw
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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 · exploration · action-adventure · futuristic · first-contact · military · space-fleet · violent-conflict · soldiers · space-travel
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Genmate Dilemma
by Cara Bristol
4.50 · 6 ratings
fated-mates · psychics · aliens · fiction · action-adventure · sci-fi · space-travel · first-contact · secrets · adult · violent-conflict · invasion · romance · shapeshifters · book · steamy · life-death · paranormal · suspense · enemies-to-lovers
All books in this series ❯