Second Wave
by Mikayla Lane
4.34 · 29 ratings
adult · book · fiction · sci-fi · romance · aliens · action-adventure · alpha-mc · first-contact · female-mc · insta-love · space-opera · friends-to-lovers · space · violent-conflict · steamy · invasion · fated-mates · psychics
Second Wave: Similar series
The Vorge Crew
by Laurann Dohner
4.05 · 127 ratings
paranormal · space · alpha-mc · book · steamy · romance · sci-fi · adult · action-adventure · fiction · aliens · shapeshifters · supernatural · slavery · futuristic · audiobook · suspense · kidnapping · abuse · insta-love
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The Krinar Chronicles
by Anna Zaires
3.96 · 163 ratings
aliens · fiction · adult · steamy · romance · paranormal · book · vampires · audiobook · new-adult · dark · sci-fi · urban-fantasy · age-gap · futuristic · action-adventure · insta-love · angst · alpha-mc · contemporary
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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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Cyborgs: More Than Machines
by Eve Langlais
4.00 · 118 ratings
romance · adult · military · sci-fi · aliens · fiction · action-adventure · cyborgs · genetic-engineering · paranormal · steamy · humor · futuristic · book · soldiers · space · suspense · cyberpunk · abuse · violent-conflict
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The Great Migration Duology
by Sharon Lee
4.11 · 38 ratings
space-opera · paranormal · sci-fi · adult · space · military · book · fiction · action-adventure · violent-conflict · audiobook · romance · aliens · ai · dragons · box-set · dystopia · war
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Interstellar Brides: The Virgins
by Grace Goodwin
3.99 · 65 ratings
aliens · fiction · sci-fi · adult · romance · steamy · paranormal · book · futuristic · alpha-mc · action-adventure · military · audiobook · genetic-engineering · shapeshifters · contemporary · space · war · dark · insta-love
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Aurora Rhapsody
by G.S. Jennsen
4.27 · 113 ratings
space-opera · space-travel · sci-fi · military · fiction · action-adventure · cyberpunk · colonization · space-fleet · violent-conflict · first-contact · exploration · galactic-empire · space · adult · aliens · book · soldiers · ai · invasion
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Warriors of the Oasis
by Ivy Sparks
4.04 · 24 ratings
adult · paranormal · female-mc · poc-mc · action-adventure · aliens · fiction · romance · book · first-contact · violent-conflict · space · sci-fi · insta-love · fated-mates · invasion · monsters · kidnapping · multi-pov · audiobook
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Vaznik Warriors
by Ava York
4.12 · 42 ratings
aliens · fiction · action-adventure · female-mc · book · adult · romance · paranormal · sci-fi · invasion · violent-conflict · space-opera · steamy · warriors · first-contact · fated-mates · dystopia · insta-love
All books in this series ❯
Demonic Tales
by Hannah Walker
4.36 · 28 ratings
sci-fi · demons · paranormal · adult · space · military · book · lgbtq · romance · action-adventure · aliens · fiction · supernatural · mlm · futuristic · politics · omegaverse · suspense · bodyguard · violent-conflict
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Villains in Space
by C. Rochelle
4.60 · 20 ratings
sci-fi · mlm · book · cheerful-mc · romance · forced-proximity · paranormal · grumpy-sunshine · fiction · super-powered · fantasy · aliens · humor · lgbtq · age-gap · adult · grumpy-mc · steamy · found-family · contemporary
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Alien Warlord's Conquest
by Vi Voxley
4.19 · 37 ratings
action-adventure · aliens · fiction · military · adult · romance · sci-fi · book · steamy · insta-love · first-contact · alpha-mc · warriors · violent-conflict · invasion · paranormal · female-mc · space-fleet · fated-mates · futuristic
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Draconian Warriors
by Juno Wells
4.30 · 108 ratings
fiction · adult · aliens · sci-fi · book · romance · paranormal · violent-conflict · first-contact · invasion · other-world · humor · action-adventure · dragons · alpha-mc · futuristic · new-adult · female-mc · space · shapeshifters
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Gypsy Moth
by Eve Langlais
3.90 · 21 ratings
adult · sci-fi · paranormal · fiction · romance · book · space · space-opera · aliens · futuristic · audiobook · first-contact · genetic-engineering · action-adventure · humor · steamy · contemporary · drama · multi-pov · cyborgs
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Triad
by Kate Pearce
3.82 · 34 ratings
aliens · fiction · adult · mlm · steamy · paranormal · lgbtq · book · romance · sci-fi · futuristic · contemporary · action-adventure · polyamory · military · fantasy · psychics · medieval · europe · insta-love
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Taking Shield
by Anna Butler
4.20 · 25 ratings
adult · violent-conflict · aliens · fiction · lgbtq · book · military · space · sci-fi · space-opera · mlm · action-adventure · romance · war · space-fleet · invasion · politics · slow-burn · family · sad
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Rogue Star
by Elin Wyn
4.17 · 58 ratings
romance · book · female-mc · fiction · action-adventure · paranormal · first-contact · adult · aliens · sci-fi · fantasy · space-opera · slavery · space · alpha-mc · animals · box-set · galactic-empire · slow-burn · colonization
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Plain Jane
by Odette C. Bell
3.75 · 12 ratings
space-opera · adult · action-adventure · aliens · fiction · romance · sci-fi · galactic-empire · book · steampunk · historical · space · industrial-era
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Bridge & Sword
by J.C. Andrijeski
4.28 · 39 ratings
fiction · paranormal · book · adult · supernatural · urban-fantasy · aliens · psychics · genetic-engineering · dystopia · romance · vampires · sci-fi · contemporary · fantasy · action-adventure · military · futuristic · witches-wizards · post-apocalyptic
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Soul Match
by Morticia Knight
3.89 · 19 ratings
mlm · aliens · fiction · romance · book · lgbtq · steamy · contemporary · adult · sci-fi · slavery · paranormal · action-adventure · polyamory · military · dystopia · abuse · dark · witches-wizards · age-gap
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Hexonian
by Charmaine Ross
4.15 · 13 ratings
aliens · fiction · book · romance · adult · first-contact · sci-fi · paranormal · invasion · violent-conflict · action-adventure · humor · colonization · mystery · steamy · dystopia · box-set
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Centauri Brides
by Kallista Dane
4.31 · 26 ratings
violent-conflict · adult · first-contact · book · invasion · aliens · fiction · sci-fi · romance · space-travel · space · exploration · paranormal · steamy · action-adventure · military · fated-mates · wlw · bisexuality · mystery
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Perinqual Galaxy Hybrids
by C.Y. Croc
4.25 · 12 ratings
aliens · fiction · sci-fi · adult · romance · fantasy · action-adventure · super-powered · first-contact · anthologies · female-mc · space-travel · violent-conflict · book · invasion · colonization · galactic-empire · animals · humor · poc-mc
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Cyborg Cowboys of Carbon County
by Elsa Jade
3.83 · 6 ratings
book · military · adult · fiction · aliens · sci-fi · cyborgs · paranormal · romance · action-adventure · futuristic · space-opera · fantasy · animals · violent-conflict
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