The Last Symbiotes: Similar series
The Aurora Cycle
by Amie Kaufman
4.12 · 235 ratings
science fiction · dystopian · new adult · audiobook · found-family · suspense · young adult · mystery · aliens · humor · futuristic · length-long · magic · behind-doors · queer · dual-pov · war · military · death · time travel
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Starbound
by Amie Kaufman
3.94 · 234 ratings
futuristic · aliens · young adult · dystopian · science fiction · male-pov · mystery · m-f · audiobook · from hate to love · behind-doors · military · length-long · competent heroine · suspense · dual-pov · forbidden love · sassy heroine · open-door · length-medium
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Starlight's Shadow
by Jessie Mihalik
4.03 · 231 ratings
science fiction · found-family · aliens · futuristic · strong heroine · military · audiobook · competent heroine · forced proximity · heroine sleuth · independent heroine · length-long · sweet-hero · non-human-hero · from hate to love · height-difference · m-f · dangerous heroine · childfree-couple · outlaw-heroine
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Skyward
by Brandon Sanderson
4.31 · 499 ratings
dystopian · science fiction · young adult · aliens · audiobook · paranormal · fantasy · war · futuristic · magic · military · high fantasy · found-family · humor · mystery · glimpses-kisses · length-long · survival · length-short · length-novella
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Constellation
by Claudia Gray
3.98 · 120 ratings
science fiction · dystopian · suspense · young adult · audiobook · glimpses-kisses · aliens · length-long · strong heroine · futuristic · war · military · outlaw-heroine · tortured hero · angst · from hate to love · slow burn · competent heroine · hurt-comfort · heroine athlete
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Sanctuary
by S.M. Olivier
4.29 · 172 ratings
m-f-m · reverse harem · independent heroine · competent heroine · alpha male · contemporary · poly · explicit-plentiful · military · possessive hero · sunny hero · men in uniform · dystopian · death · menage · slut-shaming · science fiction · strong heroine · heroine athlete · friends to lovers
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Confederation of Valor
by Tanya Huff
4.08 · 153 ratings
war · military · audiobook · strong heroine · science fiction · aliens · futuristic · survival · length-medium · paranormal · fantasy · humor · length-long · queer · time travel · mystery · m-f · suspense · pirates
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Rise of the Iliri
by Auryn Hadley
4.38 · 321 ratings
poly · military · magic · fantasy · reverse harem · paranormal · futuristic · length-long · aliens · found-family · menage · science fiction · explicit-open-door · urban fantasy · erotica · explicit-plentiful · open-door · war · slavery · anthologies
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Imperial
by M.K. Eidem
4.20 · 106 ratings
audiobook · science fiction · non-human-hero · aliens · futuristic · strong heroine · men in uniform · open-door · military · length-long · age difference · pregnancy · competent heroine · humor · slow burn · commander · m-f · alpha male · contemporary · erotica
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Theirs Not to Reason Why
by Jean Johnson
4.08 · 128 ratings
futuristic · science fiction · military · aliens · war · length-long · length-medium · urban fantasy · time travel
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Dock Five Universe
by Linnea Sinclair
3.86 · 95 ratings
science fiction · futuristic · audiobook · suspense · length-long · open-door · aliens · found-family · m-f · multicultural · strong heroine · racism · contemporary · competent heroine · angst · tortured hero · first-person-pov · military · pirates · mystery
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Outer Limits Quadrant
by Alexis B. Osborne
3.76 · 65 ratings
dual-pov · science fiction · military · aliens · monsters · m-f · length-long · explicit-open-door · forced proximity · futuristic · multicultural · possessive hero · alpha male · men in uniform · praise-kink · survival · ableism · betrayal · third-person-pov · competent heroine
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The Wess'har Wars
by Karen Traviss
3.95 · 91 ratings
science fiction · military · aliens · length-long · futuristic · urban fantasy · time travel · paranormal · length-medium
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Warchild
by Karin Lowachee
3.96 · 69 ratings
science fiction · young adult · length-long · m-m · aliens · queer · military · war · pirates · dystopian · angst · dark · length-novella · rape · new adult · futuristic · mystery · abuse
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Aurora Rhapsody
by G.S. Jennsen
4.33 · 77 ratings
science fiction · military · aliens · audiobook · length-long · war · m-f · bisexual · length-novella · f-f · futuristic · queer · m-m
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Monster Girls In Space
by M. Tress
4.69 · 51 ratings
harems · audiobook · poly · male-pov · aliens · science fiction · length-long · magic · military · fantasy · explicit-plentiful · explicit-open-door · length-epic · paranormal
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Veredian Chronicles
by Regine Abel
4.08 · 87 ratings
science fiction · futuristic · aliens · explicit-open-door · military · length-long · disabilities and marks · humor · virgin hero · alpha male · poly · non-human-heroine · fated-mates · non-human-hero · length-medium · gifted heroine · marriage of convenience · sweet heroine · rape-non-mc · abduction
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The Occupation Saga
by J.L. Williams
4.18 · 32 ratings
military · science fiction · harems · aliens · contemporary · poly · length-long · erotica · tall-heroine · non-human-heroine · explicit-open-door · futuristic · length-medium
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Chronicles of Alsea
by Fletcher DeLancey
4.66 · 138 ratings
f-f · science fiction · queer · length-long · aliens · military · length-novella · second chances · from hate to love · sports · war · length-short · futuristic · asexual-heroine · suspense · length-medium · explicit-open-door
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Infinite Unions: Intrepid Alien Mates
by Trish Heinrich
4.63 · 24 ratings
science fiction · dual-pov · hurt-comfort · political-intrigue · aliens · length-long · explicit-plentiful · mental illness · friends to lovers · from hate to love · m-f · paranormal · forced proximity · fated-mates · military · vampires · virgin hero · abuse · creative-anatomy · queer
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Alien Baby Pact
by Aurelia Skye
4.29 · 34 ratings
science fiction · audiobook · multicultural · length-novella · aliens · alpha male · military · futuristic · post-apocalyptic · fated-mates · paranormal · suspense · east-asian-mc · m-f · height-difference · new adult · pregnancy · forced proximity · fantasy
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New Beginnings
by Kashel Char
4.56 · 9 ratings
m-m · queer · science fiction · paranormal · fantasy · audiobook · poly · m-m-m · vampires · aliens · military · length-long · abuse · time travel · length-epic · length-medium · angels · erotica · length-short · post-apocalyptic
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