Planet of Desire: Similar romance 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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Galactic Gladiators

by Anna Hackett

4.32 · 306 ratings

aliens · fiction · adult · sci-fi · romance · violent-conflict · book · invasion · warriors · first-contact · military · action-adventure · steamy · audiobook · paranormal · alpha-mc · space · female-mc · suspense · supernatural

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Eon Warriors

by Anna Hackett

4.39 · 180 ratings

action-adventure · aliens · fiction · soldiers · sci-fi · adult · military · steamy · romance · audiobook · female-mc · space-fleet · book · galactic-empire · paranormal · space · fated-mates · alpha-mc · war · violent-conflict

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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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Galactic Conspiracies

by Rob Colton

4.00 · 41 ratings

action-adventure · aliens · fiction · lgbtq · futuristic · adult · military · sci-fi · mlm · book · steamy · romance · alpha-mc · space · paranormal · family · war · fated-mates · violent-conflict · insta-love

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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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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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Accidental Alien Brides

by January Bell

4.22 · 64 ratings

aliens · fiction · adult · sci-fi · romance · paranormal · action-adventure · fated-mates · military · first-contact · steamy · book · humor · violent-conflict · space-fleet · invasion · arranged-marriage · fantasy · monsters · dark

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Dark Space

by Lisa Henry

4.02 · 42 ratings

sci-fi · space-opera · military · violent-conflict · adult · futuristic · lgbtq · war · action-adventure · aliens · fiction · space · dystopia · romance · book · mlm · angst · dark · mystery · suspense

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Roh'ilian Warrior

by Luna Kingsley

3.97 · 51 ratings

aliens · fiction · action-adventure · female-mc · historical · adult · violent-conflict · first-contact · military · sci-fi · book · invasion · romance · 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

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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Grabbed

by Lolita Lopez

4.09 · 80 ratings

fiction · sci-fi · adult · book · romance · paranormal · aliens · steamy · futuristic · action-adventure · military · dark · kidnapping · contemporary · war · insta-love · new-adult · violent-conflict · enemies-to-lovers · suspense

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Saving Caeorleia

by Alicia Nordwell

3.96 · 26 ratings

dystopia · book · romance · mlm · abuse · dark · sci-fi · adult · military · lgbtq · futuristic · action-adventure · aliens · fiction · politics · paranormal · space · steamy · supernatural · vampires

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An Uncommon Whore

by Belinda McBride

3.79 · 34 ratings

book · steamy · romance · mlm · adult · sci-fi · futuristic · aliens · fiction · suspense · abuse · slavery · lgbtq · action-adventure · paranormal · space · amnesia · royalty · space-opera · dark

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