The Intergalactic Guide to Humans: Similar romance series

Risdaverse

by Ruby Dixon

4.12 · 344 ratings

romance · adult · fiction · sci-fi · aliens · book · steamy · multi-pov · paranormal · space · audiobook · humor · futuristic · insta-love · contemporary · alpha-mc · friends-to-lovers · abuse · enemies-to-lovers · action-adventure

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Aldebarian Alliance

by Dianne Duvall

4.37 · 89 ratings

romance · book · vampires · paranormal · audiobook · alpha-mc · female-mc · action-adventure · aliens · fiction · sci-fi · adult · space · humor · military · first-contact · steamy · urban-fantasy · suspense · contemporary

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Cosmos' Gateway

by S.E. Smith

4.17 · 138 ratings

romance · audiobook · contemporary · alpha-mc · fiction · aliens · sci-fi · invasion · book · paranormal · action-adventure · futuristic · military · first-contact · violent-conflict · space-fleet · adult · soldiers · steamy · alternate-history

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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

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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The Alliance

by S.E. Smith

4.12 · 120 ratings

aliens · fiction · romance · book · sci-fi · adult · paranormal · audiobook · post-apocalyptic · military · futuristic · action-adventure · dystopia · first-contact · violent-conflict · contemporary · invasion · space · steamy · space-travel

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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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Ruth & Gron

by V.C. Lancaster

3.85 · 87 ratings

adult · romance · steamy · paranormal · fiction · aliens · sci-fi · invasion · book · reverse-harem · alpha-mc · monsters · polyamory · first-contact · violent-conflict · space · forced-proximity · action-adventure · barbarians · kind-mc

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Claimings

by Lyn Gala

4.17 · 63 ratings

aliens · fiction · age-gap · lgbtq · adult · sci-fi · mlm · romance · steamy · book · audiobook · paranormal · action-adventure · slow-burn · military · violent-conflict · space · friends-to-lovers · futuristic · female-author

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Mail-Order Brides of Crakair

by Ava Ross

4.19 · 82 ratings

action-adventure · humor · romance · book · sci-fi · adult · fiction · aliens · galactic-empire · audiobook · invasion · colonization · violent-conflict · dystopia · steamy · insta-love · first-contact · paranormal · new-adult · soldiers

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The Ujal

by Erin Tate

4.04 · 92 ratings

romance · shapeshifters · steamy · paranormal · aliens · fiction · adult · book · sci-fi · space-travel · invasion · galactic-empire · exploration · humor · mermaids · first-contact · violent-conflict · colonization · insta-love · supernatural

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Valos of Sonhadra

by Regine Abel

3.98 · 126 ratings

romance · paranormal · aliens · fiction · sci-fi · adult · reverse-harem · book · steamy · polyamory · shapeshifters · space · first-contact · invasion · violent-conflict · abuse · genetic-engineering · futuristic · colonization · humor

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Alien Abductors

by Calista Skye

4.08 · 36 ratings

romance · book · alpha-mc · paranormal · poc-mc · humor · aliens · fiction · adult · sci-fi · invasion · steamy · exploration · futuristic · first-contact · violent-conflict · dark · space-travel · shapeshifters · kidnapping

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The Pet Project

by Amanda Milo

3.92 · 26 ratings

invasion · romance · book · steamy · first-contact · slavery · adult · violent-conflict · dark · sci-fi · aliens · fiction · alpha-mc · paranormal · colonization · captivity · humor · futuristic · forced-proximity · dystopia

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The Ravager Chronicles

by Sara Page

3.86 · 42 ratings

polyamory · steamy · adult · sci-fi · aliens · fiction · paranormal · romance · book · reverse-harem · space-opera · poc-mc · action-adventure · space · military · fated-mates · royalty · first-contact · violent-conflict · space-fleet

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Starfighter Training Academy

by Grace Goodwin

4.22 · 41 ratings

fiction · action-adventure · sci-fi · military · adult · romance · book · paranormal · audiobook · genetic-engineering · war · aliens · first-contact · space-fleet · violent-conflict · invasion · steamy · colonization · space · suspense

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Lunarian Warriors

by Roxie Ray

4.21 · 56 ratings

audiobook · paranormal · romance · book · adult · sci-fi · female-mc · action-adventure · aliens · fiction · invasion · steamy · first-contact · violent-conflict · poc-mc · multi-pov · alpha-mc · suspense · shapeshifters · new-adult

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Warriors of Karal

by Harmony Raines

4.18 · 38 ratings

violent-conflict · adult · contemporary · first-contact · space-travel · galactic-empire · sci-fi · paranormal · action-adventure · aliens · exploration · colonization · fiction · book · steamy · invasion · romance · genetic-engineering · dystopia · warriors

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Veredian Chronicles

by Regine Abel

4.35 · 64 ratings

fiction · sci-fi · adult · paranormal · romance · book · action-adventure · aliens · humor · new-adult · soldiers · military · genetic-engineering · steamy · colonization · futuristic · invasion · reverse-harem · female-author · first-contact

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Brides of the Aashi

by Belle Harper

3.86 · 28 ratings

polyamory · first-contact · violent-conflict · adult · sci-fi · female-mc · action-adventure · humor · aliens · fiction · invasion · romance · book · reverse-harem · steamy · new-adult · paranormal · fantasy · fated-mates · male-mc

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Reestrian Mates

by Sue Mercury

3.68 · 38 ratings

paranormal · adult · romance · book · steamy · aliens · fiction · sci-fi · first-contact · violent-conflict · invasion · humor · futuristic · fated-mates · poc-mc · action-adventure · box-set · fantasy · galactic-empire · expert

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Tail and Claw

by Nancey Cummings

4.06 · 28 ratings

book · adult · romance · aliens · fiction · contemporary · audiobook · invasion · violent-conflict · first-contact · sci-fi · action-adventure · paranormal · colonization · humor · arranged-marriage · supernatural · steamy · fantasy · dystopia

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Venora Mates

by Octavia Kore

3.95 · 21 ratings

fiction · adult · book · paranormal · action-adventure · humor · aliens · monsters · lgbtq · violent-conflict · polyamory · horror · dark · sci-fi · colonization · supernatural · reverse-harem · invasion · romance · genetic-engineering

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