Operation Erotic
by Cynthia Sax
3.11 · 9 ratings
adult · sci-fi · fiction · steamy · book · futuristic · romance · aliens · contemporary · paranormal · mlm · crime · lgbtq · organized-crime
Operation Erotic: Similar series
Corsairs
by Ruby Dixon
4.04 · 140 ratings
dark · sci-fi · adult · fated-mates · outlaws · aliens · fiction · paranormal · multi-pov · space · alpha-mc · romance · kidnapping · book · steamy · slavery · action-adventure · humor · audiobook · friends-to-lovers
All books in this series ❯
Clans of Kalquor
by Tracy St. John
3.96 · 196 ratings
fiction · aliens · futuristic · adult · sci-fi · romance · book · steamy · paranormal · polyamory · reverse-harem · space · alpha-mc · mlm · action-adventure · space-opera · abuse · dystopia · dark · supernatural
All books in this series ❯
Lords of Kassis
by S.E. Smith
4.14 · 115 ratings
adult · sci-fi · fiction · aliens · romance · paranormal · book · steamy · action-adventure · futuristic · contemporary · audiobook · alpha-mc · space · female-mc · supernatural · royalty · kidnapping · dark · space-travel
All books in this series ❯
The Kraken
by Tiffany Roberts
4.14 · 109 ratings
aliens · fiction · adult · sci-fi · romance · paranormal · book · steamy · monsters · action-adventure · futuristic · genetic-engineering · dystopia · suspense · alpha-mc · female-mc · friendship · slow-burn · multi-pov · friends-to-lovers
All books in this series ❯
Iriduan Test Subjects
by Susan Trombley
4.04 · 101 ratings
adult · sci-fi · aliens · fiction · book · steamy · romance · dark · monsters · futuristic · paranormal · space · action-adventure · genetic-engineering · myths · alpha-mc · kidnapping · new-adult · slow-burn · enemies-to-lovers
All books in this series ❯
Braxians
by Regine Abel
4.32 · 40 ratings
adult · aliens · fiction · sci-fi · paranormal · book · romance · dark · alpha-mc · gothic · steamy · military · new-adult · exploration · action-adventure · futuristic · suspense · historical · slavery · invasion
All books in this series ❯
The Blue Solace
by C.W. Gray
4.25 · 66 ratings
sci-fi · mlm · book · romance · paranormal · aliens · action-adventure · fiction · lgbtq · futuristic · adult · shapeshifters · omegaverse · military · children · audiobook · humor · family · abuse · steamy
All books in this series ❯
Prison Planet
by Emmy Chandler
3.95 · 66 ratings
fiction · suspense · prison · romance · captivity · steamy · book · dark · sci-fi · adult · action-adventure · aliens · space · alpha-mc · paranormal · audiobook · dystopia · fighter · forced-proximity · futuristic
All books in this series ❯
Celestial Passions
by Judy Mays
3.86 · 28 ratings
fiction · paranormal · sci-fi · adult · romance · futuristic · book · steamy · aliens · dark · space · alpha-mc · royalty · humor · dragons · marriage-of-convenience · space-opera · contemporary · military · warriors
All books in this series ❯
Alien Raiders' Brides
by Vi Voxley
4.08 · 29 ratings
book · steamy · action-adventure · aliens · fiction · dark · sci-fi · paranormal · military · first-contact · adult · futuristic · kidnapping · romance · warriors · sexual-assault · alpha-mc · fated-mates · dystopia · other-world
All books in this series ❯
Eternal Bond
by Christine d'Abo
3.63 · 29 ratings
paranormal · aliens · fiction · steamy · book · romance · futuristic · adult · space-opera · sci-fi · suspense · supernatural · colonization · space · mystery · action-adventure · female-mc · crime · mlm · psychics
All books in this series ❯
Project Gleise 581g
by S.E. Smith
4.10 · 20 ratings
aliens · fiction · sci-fi · audiobook · military · adult · romance · book · action-adventure · violent-conflict · futuristic · steamy · soldiers · suspense · assassins · galactic-empire · political-intrigue · first-contact · invasion · dystopia
All books in this series ❯
Shattered Stars
by Viola Grace
4.28 · 68 ratings
aliens · fiction · book · romance · adult · paranormal · futuristic · sci-fi · apocalyptic · steamy · space · space-travel · alpha-mc · fantasy · post-apocalyptic · epic · female-mc · kidnapping · monsters · age-gap
All books in this series ❯
Champions of Terra
by Viola Grace
3.97 · 36 ratings
book · steamy · fiction · paranormal · sci-fi · adult · futuristic · romance · aliens · supernatural · space · space-travel · contemporary · shapeshifters · kidnapping · royalty · fae · domestic-drama · arranged-marriage · demons
All books in this series ❯
Galactic Pirate Brides
by Tamsin Ley
4.16 · 27 ratings
sci-fi · adult · aliens · fiction · action-adventure · paranormal · first-contact · futuristic · female-mc · outlaws · genetic-engineering · book · romance · violent-conflict · suspense · alpha-mc · invasion · military · galactic-empire · steamy
All books in this series ❯
Men of Mettle
by Cara Bristol
4.05 · 42 ratings
aliens · fiction · adult · sci-fi · romance · cyborgs · action-adventure · book · steamy · paranormal · futuristic · military · genetic-engineering · suspense · space · first-contact · domestic-drama · insta-love · audiobook · disability
All books in this series ❯
Wickedest Witch
by Meg Xuemei X
4.04 · 26 ratings
book · romance · vampires · paranormal · fiction · adult · shapeshifters · angels · suspense · gothic · steamy · post-apocalyptic · supernatural · audiobook · action-adventure · witches-wizards · demons · sci-fi · time-travel · alpha-mc
All books in this series ❯
Star Brides
by Solange Ayre
3.25 · 20 ratings
aliens · fiction · steamy · book · romance · adult · sci-fi · paranormal · futuristic · kidnapping · lgbtq · alpha-mc · box-set · dark
All books in this series ❯
Wolves' Heat
by Odessa Lynne
3.96 · 46 ratings
lgbtq · fiction · adult · romance · mlm · aliens · book · shapeshifters · paranormal · dystopia · futuristic · sci-fi · steamy · action-adventure · post-apocalyptic · supernatural · dark · sexual-assault · enemies-to-lovers · insta-love
All books in this series ❯
Unexpected
by Layla Stone
4.06 · 18 ratings
romance · book · paranormal · futuristic · aliens · fiction · sci-fi · adult · invasion · colonization · action-adventure · space-opera · first-contact · violent-conflict · kidnapping · steamy · abuse · galactic-empire · genetic-engineering · poc-mc
All books in this series ❯
Warlords of Farian
by Bailey Dark
3.67 · 12 ratings
steamy · adult · violent-conflict · sci-fi · aliens · fiction · romance · book · first-contact · magic · futuristic · invasion · kidnapping · military · alpha-mc · space · paranormal · dark · supernatural · far-away-galaxy
All books in this series ❯
Fated Mates of the Riftwolves
by Chloe Parker
4.00 · 12 ratings
adult · romance · fiction · omegaverse · paranormal · shapeshifters · book · fantasy · fated-mates · sci-fi · aliens · futuristic · dystopia · alpha-mc · supernatural · steamy · demons · dark · monsters · apocalyptic
All books in this series ❯
Tribute
by Kate Pearce
3.33 · 9 ratings
fiction · sci-fi · space-opera · horror · adult · dystopia · romance · steamy · mlm · aliens · action-adventure · dark · sexual-assault · multi-pov · military · bdsm · futuristic · lgbtq · book · urban
All books in this series ❯
The Unwanted
by Westbrooke Jameson
3.14 · 7 ratings
mlm · paranormal · sci-fi · adult · aliens · fiction · book · lgbtq · family · romance · action-adventure · steamy · futuristic · abuse · box-set · magic · trans-mc · anthologies
All books in this series ❯