UN-Forgettable

by C.J. Barry

3.89 · 40 ratings

length-medium · futuristic · science fiction · contemporary · aliens · explicit-open-door · erotica · suspense · pirates · m-f · open-door · non-human-hero

UN-Forgettable: Similar series

Fireblood Dragons

by Ruby Dixon

3.82 · 937 ratings

dystopian · science fiction · aliens · alpha male · dragon shifter · explicit-open-door · shapeshifters · urban fantasy · futuristic · fated-mates · usa · non-human-hero · texas · m-f · possessive hero · monsters · north-america · length-medium · erotica · insta-love

All books in this series ❯

Icehome

by Ruby Dixon

3.96 · 1685 ratings

science fiction · aliens · creative-anatomy · m-f · height-difference · first-person-pov · non-human-hero · alpha male · fated-mates · pregnancy · possessive hero · fighters · futuristic · dual-pov · insta-love · breeding · explicit-open-door · virgin hero · multicultural · survival

All books in this series ❯

Tornians

by M.K. Eidem

4.09 · 402 ratings

explicit-open-door · aliens · science fiction · alpha male · futuristic · erotica · royalty · non-human-hero · insta-love · possessive hero · m-f · contemporary · military · pregnancy · strong heroine · length-novella · disabilities and marks · sweet heroine · length-medium · human-trafficking

All books in this series ❯

Cyborg Seduction

by Laurann Dohner

3.97 · 538 ratings

alpha male · futuristic · science fiction · aliens · m-f · erotica · length-short · from hate to love · explicit-open-door · contemporary · abduction · possessive hero · cold hero · military · sassy heroine · rape · non-human-hero · strong heroine · insta-love · cruel hero

All books in this series ❯

Sin Brothers

by Rebecca Zanetti

4.17 · 190 ratings

tortured hero · north-america · third-person-pov · usa · found-family · alpha male · erotica · men in uniform · independent heroine · fantasy · science fiction · mystery · suspense · sassy heroine · contemporary · paranormal · dual-pov · m-f · past-abuse · possessive hero

All books in this series ❯

Stolen by an Alien

by Amanda Milo

3.77 · 387 ratings

height-difference · possessive hero · explicit-open-door · humor · aliens · science fiction · futuristic · m-f · alpha male · non-human-hero · erotica · strong heroine · sweet-hero · abduction · sassy heroine · insta-love · dual-pov · multicultural · pregnancy · disabilities and marks

All books in this series ❯

Kick at the Darkness

by Keira Andrews

4.00 · 166 ratings

hurt-comfort · bikers · forced proximity · dystopian · horror · new adult · fantasy · from hate to love · suspense · werewolves · m-m · paranormal · survival · shapeshifters · queer · angst · graphic-violence · north-america · friends to lovers · sweet-hero

All books in this series ❯

Chosen

by Stacy Jones

4.02 · 240 ratings

non-human-hero · explicit-open-door · aliens · poly · reverse harem · science fiction · abduction · creative-anatomy · height-difference · futuristic · caretaking · shy-hero · humor · dual-pov · possessive hero · sunny hero · sweet-hero · sweet heroine · competent heroine · disabilities and marks

All books in this series ❯

Alien Huntress

by Gena Showalter

4.11 · 274 ratings

aliens · science fiction · futuristic · m-f · urban fantasy · contemporary · magic · strong heroine · suspense · dangerous heroine · vampires · mystery · length-medium · tall-heroine · erotica · length-long · from hate to love · alpha male · demons · non-human-hero

All books in this series ❯

Imperia

by Gena Showalter

3.85 · 117 ratings

science fiction · aliens · length-medium · alpha male · contemporary · magic · explicit-open-door · futuristic · m-f · virgin heroine · urban fantasy · erotica · shy heroine · class difference · time travel · plain heroine · tall-heroine · sweet-hero · tortured hero · possessive hero

All books in this series ❯

The Kraken

by Tiffany Roberts

3.96 · 204 ratings

explicit-open-door · m-f · science fiction · aliens · futuristic · erotica · possessive hero · creative-anatomy · insta-love · non-human-hero · forced proximity · small town · strong heroine · forbidden love · competent heroine · length-medium · alpha male · monsters · fighters · disabilities and marks

All books in this series ❯

Xiveri Mates

by Elizabeth Stephens

4.08 · 278 ratings

science fiction · fated-mates · alpha male · multicultural · dual-pov · aliens · strong heroine · first-person-pov · explicit-open-door · possessive hero · futuristic · length-medium · virgin heroine · competent heroine · sassy heroine · fighters · non-human-hero · height-difference · erotica · black-mc

All books in this series ❯

Hearts of Stone

by Miranda Bridges

4.06 · 114 ratings

aliens · science fiction · alpha male · fated-mates · erotica · explicit-open-door · futuristic · length-short · strong heroine · possessive hero · contemporary · pregnancy · shy heroine · open-door · abduction · explicit-plentiful · from hate to love · monsters · new adult · m-f

All books in this series ❯

Shadow Quest

by Kiersten Fay

3.94 · 177 ratings

futuristic · science fiction · demons · magic · aliens · erotica · alpha male · fae · contemporary · m-f · length-medium · possessive hero · fated-mates · length-long · witches · bdsm · fantasy · abuse · suspense · urban fantasy

All books in this series ❯

Garrison Earth

by V.K. Ludwig

3.85 · 103 ratings

aliens · science fiction · dual-pov · explicit-open-door · forced proximity · non-human-hero · fated-mates · futuristic · independent heroine · strong heroine · possessive hero · erotica · length-medium · from hate to love · virgin hero · abduction · multicultural · m-f · dark · caretaking

All books in this series ❯

Lumerian Knights

by Becca Brayden

3.97 · 65 ratings

aliens · length-short · science fiction · witches · vampires · insta-love · alpha male · new adult · military · explicit-open-door · contemporary · paranormal · angels · age difference · erotica · futuristic · fated-mates · shapeshifters · fantasy · rape-mc

All books in this series ❯

Women of Dor Nye

by Poppy Rhys

3.82 · 104 ratings

science fiction · aliens · futuristic · non-human-hero · alpha male · erotica · explicit-open-door · monsters · strong heroine · length-medium · multicultural · abduction · sweet-hero · menage · virgin hero · m-f-m · royalty · sassy heroine · length-short · poly

All books in this series ❯

The Harvest

by M.A. Church

3.77 · 56 ratings

aliens · science fiction · queer · m-m · futuristic · sweet-hero · non-human-hero · height-difference · humor · angst · lgbtqia hate · first-person-pov · bdsm · caretaking · length-medium · new adult · possessive hero · men in uniform · erotica · breeding

All books in this series ❯

The Arcadians

by Laurie Roma

4.01 · 41 ratings

explicit-plentiful · reverse harem · m-f-m · menage · shapeshifters · science fiction · aliens · poly · erotica · class difference · royalty · contemporary · non-human-hero · futuristic · tortured heroine · length-medium · mental-trauma · alpha male · possessive hero · magic

All books in this series ❯

Resonance Mates

by Bianca D'Arc

3.93 · 58 ratings

futuristic · science fiction · aliens · erotica · menage · dystopian · length-medium · contemporary · length-short · bdsm · m-f-m · poly · military · fantasy · paranormal · pregnancy · cowboys · men in uniform

All books in this series ❯

Shielder

by Catherine Spangler

3.81 · 55 ratings

futuristic · science fiction · length-medium · aliens · contemporary · erotica · explicit-open-door · non-human-hero · fantasy · disabilities and marks · abuse · open-door · shy heroine · paranormal · virgin heroine · m-f · height-difference

All books in this series ❯

UN-Forgettable

by C.J. Barry

3.89 · 40 ratings

length-medium · futuristic · science fiction · contemporary · aliens · explicit-open-door · erotica · suspense · pirates · m-f · open-door · non-human-hero

All books in this series ❯

Eternal Bond

by Christine d'Abo

3.59 · 34 ratings

contemporary · futuristic · science fiction · aliens · m-f · erotica · length-short · length-medium · virgin hero · suspense · alpha male · strong heroine · length-novella · fated-mates · military · sweet-hero · bdsm · fantasy · mystery

All books in this series ❯

The Village

by Darien Cox

3.99 · 26 ratings

queer · m-m · erotica · science fiction · length-medium · aliens · mystery · futuristic · contemporary · paranormal · m-m-m · from hate to love · friends to lovers · fantasy · menage · poly · length-long

All books in this series ❯

© Copyright 2015-2023, Elektrolabs Limited · Advertising Disclosure: Please note that many links to retailers are affiliate links, which yields a commission for us. romance.io is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com.