Heat
by Leigh Wyndfield
3.85 · 27 ratings
book · steamy · romance · adult · aliens · fiction · paranormal · sci-fi · first-contact · humor · action-adventure · female-mc · space · invasion · violent-conflict · alpha-mc · domestic-drama · warriors · prison · fantasy
Heat: 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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Stolen by an Alien
by Amanda Milo
4.08 · 179 ratings
aliens · humor · sci-fi · steamy · fiction · adult · book · romance · paranormal · violent-conflict · first-contact · invasion · audiobook · space · alpha-mc · action-adventure · dark · kind-mc · kidnapping · friends-to-lovers
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Galactic Gladiators
by Anna Hackett
4.32 · 306 ratings
adult · sci-fi · aliens · fiction · romance · book · invasion · violent-conflict · military · first-contact · warriors · audiobook · paranormal · steamy · action-adventure · alpha-mc · space · suspense · female-mc · supernatural
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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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Prime Mating Agency
by Regine Abel
4.17 · 256 ratings
aliens · monsters · first-contact · sci-fi · paranormal · fiction · adult · colonization · book · romance · humor · violent-conflict · invasion · poc-mc · fated-mates · arranged-marriage · marriage-of-convenience · alpha-mc · futuristic · 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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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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Fated Mates of the Kalixian Warriors
by Presley Hall
4.22 · 161 ratings
romance · book · paranormal · aliens · fiction · fated-mates · adult · sci-fi · space · female-mc · humor · invasion · audiobook · action-adventure · first-contact · violent-conflict · steamy · alpha-mc · kind-mc · kidnapping
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Raider Warlords of the Vandar
by Tana Stone
4.30 · 142 ratings
book · adult · sci-fi · aliens · fiction · galactic-empire · romance · steamy · first-contact · female-mc · action-adventure · space · invasion · violent-conflict · humor · paranormal · new-adult · alpha-mc · audiobook · fighter
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Claimings
by Lyn Gala
4.17 · 63 ratings
mlm · steamy · book · romance · audiobook · paranormal · aliens · fiction · lgbtq · age-gap · adult · sci-fi · space · friends-to-lovers · action-adventure · slow-burn · violent-conflict · military · angst · invasion
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Sarazen Saga
by Isabel Wroth
4.15 · 52 ratings
aliens · fiction · paranormal · romance · book · shapeshifters · sci-fi · adult · fated-mates · contemporary · alpha-mc · invasion · first-contact · violent-conflict · space · steamy · kind-mc · insta-love · space-opera · children
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Inferno Force of the Drexian Warriors
by Tana Stone
4.42 · 61 ratings
fiction · aliens · adult · sci-fi · book · romance · humor · action-adventure · female-mc · violent-conflict · first-contact · invasion · paranormal · steamy · forced-proximity · workplace · poc-mc · galactic-empire · enemies-to-lovers · suspense
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OtherWorldly Men
by Susan Grant
3.85 · 26 ratings
space-opera · female-mc · aliens · fiction · humor · futuristic · action-adventure · romance · book · first-contact · adult · alpha-mc · paranormal · sci-fi · invasion · contemporary · space · violent-conflict · assassins · political-intrigue
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Star
by Susan Grant
3.97 · 69 ratings
aliens · fiction · adult · sci-fi · romance · paranormal · futuristic · action-adventure · book · female-mc · space-opera · steamy · galactic-empire · first-contact · violent-conflict · invasion · space · royalty · anthologies · time-travel
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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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Red Planet Dragons of Tajss
by Miranda Martin
4.22 · 280 ratings
fiction · adult · book · romance · paranormal · aliens · sci-fi · first-contact · dragons · action-adventure · violent-conflict · invasion · humor · steamy · genetic-engineering · female-mc · galactic-empire · new-adult · fantasy · colonization
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Darverius, House of DaR
by Jennifer Julie Miller
4.32 · 69 ratings
aliens · fiction · adult · violent-conflict · invasion · alpha-mc · first-contact · book · female-mc · sci-fi · romance · futuristic · fated-mates · action-adventure · humor · steamy · paranormal · genetic-engineering · animals · crime
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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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Brides of the Aashi
by Belle Harper
3.86 · 28 ratings
humor · action-adventure · aliens · fiction · female-mc · romance · adult · invasion · violent-conflict · book · reverse-harem · sci-fi · polyamory · first-contact · paranormal · steamy · fantasy · new-adult · monsters · harem
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Cadi Warriors
by Stephanie West
4.11 · 45 ratings
invasion · book · steamy · alpha-mc · aliens · fiction · sci-fi · first-contact · adult · violent-conflict · romance · action-adventure · new-adult · military · paranormal · futuristic · female-mc · war · humor · kidnapping
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Interstellar Protections Agency
by Jade Waltz
3.61 · 18 ratings
adult · aliens · fiction · paranormal · book · romance · sci-fi · violent-conflict · first-contact · monsters · action-adventure · humor · space · alpha-mc · steamy · invasion · space-travel · dark · new-adult · futuristic
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Brides of the Zuldrux Warriors
by Ava Ross
4.27 · 30 ratings
barbarians · colonization · steamy · book · romance · space · paranormal · fantasy · aliens · fiction · monsters · fated-mates · adult · female-author · sci-fi · urban-fantasy · warriors · humor · kind-mc · invasion
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Heat
by Leigh Wyndfield
3.85 · 27 ratings
book · steamy · romance · adult · aliens · fiction · paranormal · sci-fi · first-contact · humor · action-adventure · female-mc · space · invasion · violent-conflict · alpha-mc · domestic-drama · warriors · prison · fantasy
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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
All books in this series ❯