Mated to the Alien: Similar romance series

Kinsmen

by Ilona Andrews

4.17 · 124 ratings

space-opera · assassins · sci-fi · adult · magic · futuristic · action-adventure · fiction · female-mc · political-intrigue · paranormal · space · alpha-mc · audiobook · steamy · romance · urban-fantasy · drama · slow-burn · aliens

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Zion Warriors

by S.E. Smith

4.21 · 51 ratings

steamy · book · romance · sci-fi · adult · futuristic · aliens · fiction · paranormal · alpha-mc · cyborgs · audiobook · time-travel · insta-love · military · action-adventure · humor · warriors · poc-mc · female-mc

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Imperial

by M.K. Eidem

4.32 · 63 ratings

adult · space-opera · sci-fi · aliens · fiction · alpha-mc · audiobook · paranormal · book · other-world · romance · violent-conflict · military · action-adventure · war · futuristic · space · steamy · space-travel · humor

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Darkstar Mercenaries

by Anna Carven

4.31 · 149 ratings

paranormal · book · romance · sci-fi · adult · aliens · fiction · action-adventure · alpha-mc · futuristic · military · fated-mates · warriors · steamy · audiobook · anti-hero · kidnapping · dark · violent-conflict · female-mc

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Interstellar Brides Program

by Grace Goodwin

4.07 · 330 ratings

paranormal · aliens · sci-fi · romance · fiction · adult · steamy · action-adventure · military · book · other-world · audiobook · shapeshifters · genetic-engineering · insta-love · vampires · futuristic · contemporary · polyamory · alpha-mc

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Galactic Conspiracies

by Rob Colton

4.00 · 41 ratings

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

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Time Hunters

by Angela Knight

3.95 · 65 ratings

paranormal · steamy · time-travel · romance · urban-fantasy · adult · fiction · cyborgs · ghosts · supernatural · futuristic · alpha-mc · contemporary · book · shapeshifters · sci-fi · aliens · fantasy · angels · suspense

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Interstellar Brides Chronological

by Grace Goodwin

4.11 · 542 ratings

aliens · sci-fi · steamy · paranormal · fiction · action-adventure · adult · romance · military · book · audiobook · genetic-engineering · shapeshifters · insta-love · vampires · futuristic · contemporary · alpha-mc · other-world · violent-conflict

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The Thresl Chronicles

by Amber Kell

3.81 · 58 ratings

action-adventure · aliens · fiction · futuristic · lgbtq · adult · mlm · romance · book · shapeshifters · paranormal · military · sci-fi · supernatural · steamy · fated-mates · war · violent-conflict · magic · royalty

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Grabbed

by Lolita Lopez

4.09 · 80 ratings

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

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Border Worlds Saga

by Mark Alders

3.38 · 26 ratings

mlm · action-adventure · aliens · fiction · romance · futuristic · book · lgbtq · steamy · adult · paranormal · sci-fi · shapeshifters · contemporary · military · supernatural · angst · humor · slow-burn · kidnapping

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Saving Caeorleia

by Alicia Nordwell

3.96 · 26 ratings

military · adult · dark · sci-fi · aliens · fiction · action-adventure · futuristic · lgbtq · dystopia · mlm · abuse · romance · book · steamy · violent-conflict · space-opera · war · family · space

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An Uncommon Whore

by Belinda McBride

3.79 · 34 ratings

futuristic · aliens · fiction · sci-fi · adult · romance · steamy · book · mlm · lgbtq · action-adventure · slavery · abuse · suspense · war · family · dark · space-opera · military · violent-conflict

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