Star
by Susan Grant
3.97 · 69 ratings
romance · paranormal · aliens · fiction · sci-fi · adult · futuristic · book · action-adventure · steamy · galactic-empire · female-mc · space-opera · invasion · space · violent-conflict · first-contact · royalty · time-travel · anthologies
Star: Similar series
Catteni
by Anne McCaffrey
3.96 · 124 ratings
adult · invasion · romance · violent-conflict · female-author · first-contact · space-opera · space-travel · sci-fi · aliens · fiction · action-adventure · futuristic · dystopia · space · audiobook · colonization · other-world · female-mc · survival
All books in this series ❯
House of Kaimar
by Miranda Bridges
4.13 · 112 ratings
action-adventure · aliens · female-mc · fiction · dark · sci-fi · violent-conflict · adult · first-contact · book · kidnapping · romance · paranormal · contemporary · steamy · invasion · alpha-mc · fated-mates · insta-love · royalty
All books in this series ❯
Cosmos' Gateway
by S.E. Smith
4.17 · 138 ratings
audiobook · contemporary · alpha-mc · romance · sci-fi · aliens · fiction · paranormal · invasion · book · first-contact · military · space-fleet · adult · violent-conflict · soldiers · action-adventure · futuristic · steamy · alternate-history
All books in this series ❯
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
All books in this series ❯
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
All books in this series ❯
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
All books in this series ❯
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
All books in this series ❯
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
All books in this series ❯
Barbarians of the Sand Planet
by Tana Stone
4.25 · 106 ratings
sci-fi · adult · aliens · fiction · book · steamy · romance · action-adventure · female-mc · paranormal · first-contact · audiobook · violent-conflict · futuristic · invasion · warriors · fated-mates · humor · fantasy · historical
All books in this series ❯
Sarazen Saga
by Isabel Wroth
4.15 · 52 ratings
sci-fi · adult · fated-mates · aliens · fiction · paranormal · book · shapeshifters · romance · violent-conflict · first-contact · alpha-mc · contemporary · invasion · space · steamy · space-opera · insta-love · children · monsters
All books in this series ❯
First Salik War
by Jean Johnson
4.00 · 28 ratings
war · female-mc · action-adventure · fiction · aliens · sci-fi · space-opera · military · first-contact · violent-conflict · magic · adult · invasion · romance · book · paranormal · space · dystopia · futuristic · robots
All books in this series ❯
Shamans & Shifters Space Opera
by Jenny Schwartz
4.33 · 46 ratings
romance · shapeshifters · book · paranormal · space · aliens · fiction · action-adventure · sci-fi · space-travel · space-opera · first-contact · adult · futuristic · outlaws · space-fleet · magic · fae · colonization · galactic-empire
All books in this series ❯
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
All books in this series ❯
Star
by Susan Grant
3.97 · 69 ratings
romance · paranormal · aliens · fiction · sci-fi · adult · futuristic · book · action-adventure · steamy · galactic-empire · female-mc · space-opera · invasion · space · violent-conflict · first-contact · royalty · time-travel · anthologies
All books in this series ❯
The Ravager Chronicles
by Sara Page
3.86 · 42 ratings
paranormal · reverse-harem · book · steamy · romance · adult · polyamory · aliens · fiction · sci-fi · space · space-opera · action-adventure · poc-mc · royalty · military · fated-mates · survival · alpha-mc · galactic-empire
All books in this series ❯
Sequoyah
by Sabrina Chase
4.15 · 24 ratings
futuristic · book · time-travel · female-mc · action-adventure · fiction · sci-fi · paranormal · space-opera · military · first-contact · space · adult · romance · war · colonization · aliens · space-travel · violent-conflict · cyborgs
All books in this series ❯
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
All books in this series ❯
Space Gypsy Chronicles
by Eve Langlais
3.76 · 30 ratings
romance · book · paranormal · audiobook · futuristic · aliens · exploration · fiction · humor · action-adventure · sci-fi · space-opera · space-travel · first-contact · adult · steamy · galactic-empire · cyberpunk · space · genetic-engineering
All books in this series ❯
Vostra Crime Lords
by Luna Voss
4.07 · 30 ratings
adult · steamy · paranormal · sci-fi · aliens · fiction · omegaverse · book · organized-crime · violent-conflict · galactic-empire · action-adventure · female-mc · supernatural · crime · gothic · fated-mates · invasion · space · romance
All books in this series ❯
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
All books in this series ❯
Galaxy Gladiators
by Alana Khan
4.21 · 157 ratings
fiction · book · adult · action-adventure · aliens · galactic-empire · sci-fi · female-mc · paranormal · first-contact · space-travel · space · violent-conflict · invasion · futuristic · steamy · new-adult · romance · alpha-mc · kidnapping
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 ❯
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 ❯
Kall Alien Warriors
by Sue Lyndon
4.17 · 12 ratings
paranormal · steamy · romance · sci-fi · adult · aliens · fiction · book · first-contact · enemies-to-lovers · arranged-marriage · galactic-empire · dystopia · invasion · post-apocalyptic · insta-love · space-opera · dark · violent-conflict · secrets
All books in this series ❯