The Prime Chronicles: Similar romance series

Penryn & the End of Days

by Susan Ee

4.19 · 591 ratings

young adult · paranormal · competent heroine · suspense · found-family · m-f · alpha male · betrayal · audiobook · sassy heroine · from hate to love · forbidden love · mental illness · abuse · science fiction · demons · length-medium · magic · bad boys · monsters

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Innkeeper Chronicles

by Ilona Andrews

4.34 · 1170 ratings

urban fantasy · aliens · magic · contemporary · fighters · non-human-hero · vampires · strong heroine · mystery · humor · werewolves · science fiction · gifted heroine · shapeshifters · alpha male · m-f · audiobook · competent heroine · glimpses-kisses · first-person-pov

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Ice Planet Clones

by Ruby Dixon

4.07 · 242 ratings

explicit-open-door · science fiction · m-f · aliens · forced proximity · fated-mates · creative-anatomy · virgin hero · dual-pov · survival · hurt-comfort · possessive hero · non-human-hero · mental-trauma · height-difference · alpha male · humor · animal-death · abduction · multicultural

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Paradox

by Rachel Bach

4.08 · 156 ratings

science fiction · shapeshifters · audiobook · m-f · sweet-hero · urban fantasy · competent heroine · strong heroine · mystery · aliens · dangerous heroine · futuristic · independent heroine · war · military · first-person-pov · warrior-heroine · tortured hero · gifted heroine · height-difference

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Dark World Mates

by Olivia Riley

3.86 · 203 ratings

military · strong heroine · aliens · m-f · audiobook · science fiction · non-human-hero · graphic-violence · possessive hero · survival · multicultural · death · monsters · futuristic · alpha male · working class heroine · torture-mcs · open-door · fighters · explicit-open-door

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Naga Brides

by Naomi Lucas

3.75 · 286 ratings

explicit-open-door · monsters · aliens · audiobook · possessive hero · non-human-hero · dual-pov · science fiction · m-f · breeding · creative-anatomy · futuristic · fantasy · length-medium · death · alpha male · graphic-violence · insta-love · first-person-pov · military

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Vrisha Warriors

by Olivia Riley

3.99 · 183 ratings

m-f · audiobook · science fiction · aliens · futuristic · dual-pov · non-human-hero · competent heroine · from hate to love · length-medium · forced proximity · monsters · third-person-pov · creative-anatomy · caretaking · military · explicit-open-door · fighters · alpha male · commander

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Aldebarian Alliance

by Dianne Duvall

4.15 · 169 ratings

futuristic · aliens · science fiction · audiobook · m-f · non-human-hero · vampires · dual-pov · humor · sweet heroine · dangerous heroine · death · gifted heroine · abuse · warrior-heroine · torture-mcs · explicit-open-door · military · tortured hero · strong heroine

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The JAK2 Cycle

by V.E.S. Pullen

4.30 · 116 ratings

dystopian · angst · north-america · survival · past-child-abuse · strong heroine · tortured heroine · first-person-pov · torture-mcs · abuse-non-mc · mental-trauma · past-child-neglect · science fiction · abuse · found-family · contemporary · poly · competent heroine · forced proximity · reverse harem

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Class 5

by Michelle Diener

4.04 · 229 ratings

science fiction · audiobook · aliens · futuristic · military · m-f · dual-pov · alpha male · multicultural · competent heroine · length-medium · non-human-hero · abduction · men in uniform · strong heroine · political-intrigue · forced proximity · height-difference · slow burn · war

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Dred Chronicles

by Ann Aguirre

4.02 · 80 ratings

aliens · length-medium · open-door · dystopian · science fiction · futuristic · urban fantasy · m-f · war · military · dark · graphic-violence · outlaw-heroine · tortured heroine · survival · alpha male · audiobook · contemporary · strong heroine · competent heroine

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Darkstar Mercenaries

by Anna Carven

4.15 · 154 ratings

audiobook · science fiction · fated-mates · aliens · creative-anatomy · non-human-hero · alpha male · length-medium · explicit-open-door · m-f · strong heroine · futuristic · multicultural · virgin hero · abduction · graphic-violence · military · possessive hero · cold hero · human-trafficking

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Cyborg Shifters

by Naomi Lucas

3.70 · 218 ratings

science fiction · explicit-open-door · aliens · futuristic · m-f · shapeshifters · non-human-hero · alpha male · strong heroine · fighters · insta-love · length-medium · length-short · possessive hero · erotica · audiobook · slow burn · pregnancy · breeding · sweet heroine

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Interstellar Brides Program: Rogues

by Grace Goodwin

4.30 · 61 ratings

non-human-hero · fighters · first-person-pov · military · vampires · dual-pov · fated-mates · futuristic · male-pov · aliens · height-difference · shapeshifters · science fiction · m-f · alpha male · audiobook · war · possessive hero · bodyguard-hero · graphic-violence

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Iriduan Universe Love Stories

by Susan Trombley

3.84 · 77 ratings

aliens · audiobook · alpha male · m-f · science fiction · non-human-hero · explicit-open-door · monsters · futuristic · strong heroine · creative-anatomy · length-medium · humor · fated-mates · dual-pov · shapeshifters · masc-dom · bdsm · first-person-pov · death

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Worldship Brides

by Sue Lyndon

3.73 · 90 ratings

dub-con · creative-anatomy · first-person-pov · non-human-hero · anal sex · virgin heroine · audiobook · m-f · alpha male · science fiction · explicit-plentiful · height-difference · aliens · fated-mates · spanking · multicultural · dual-pov · double-penetration · body-betrayal · breeding

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