Invasive Species: Similar series
The Adventures of a Xeno-Archaeologist
by Jenny Schwartz
4.25 · 125 ratings
science fiction · military · audiobook · aliens · futuristic · length-short · angst · length-medium · found-family · fantasy · paranormal · dual-pov · glimpses-kisses
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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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An Uncommon Whore
by Belinda McBride
3.80 · 48 ratings
futuristic · science fiction · contemporary · suspense · royalty · queer · abuse · m-m · slavery · military · dark · aliens · length-short · hurt-comfort · dual-pov · secret child · erotica · commander · friends to lovers · bisexual
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Tribute Brides of the Drexian Warriors
by Tana Stone
4.15 · 159 ratings
science fiction · aliens · audiobook · military · futuristic · length-short · m-f · non-human-hero · abduction · multicultural · length-medium · rich heroine · height-difference · from hate to love · sassy heroine · paranormal · commander · cold heroine · alpha male · dual-pov
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Hell Squad
by Anna Hackett
4.18 · 299 ratings
science fiction · aliens · military · audiobook · m-f · dystopian · futuristic · length-short · independent heroine · length-novella · alpha male · cold heroine · explicit-open-door · height-difference · commander · erotica · war · cold hero · class difference · rich heroine
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Xian Warriors
by Regine Abel
4.23 · 135 ratings
military · non-human-hero · m-f · audiobook · science fiction · multicultural · creative-anatomy · aliens · humor · futuristic · explicit-open-door · competent heroine · suspense · strong heroine · virgin hero · fated-mates · war · gifted heroine · insta-love · bodyguard-hero
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The Phoenix Adventures
by Anna Hackett
4.08 · 123 ratings
m-f · futuristic · science fiction · length-short · military · fantasy · aliens · length-novella · paranormal · horror · pirates · suspense
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Chaos Station
by Kelly Jensen
4.26 · 70 ratings
military · m-m · queer · science fiction · aliens · length-short · futuristic · hurt-comfort · friends to lovers · explicit-open-door · length-medium · second chances · paranormal · suspense · erotica · found-family · war · abuse · humor · fantasy
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Imperial Princes
by Mina Carter
3.69 · 36 ratings
futuristic · science fiction · aliens · length-short · military · m-f · open-door · rape-mc · abuse · rape · independent heroine · slavery · length-novella · erotica · cruel hero · strong heroine · suspense · explicit-open-door · sassy heroine · royalty
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The Ravager Chronicles
by Sara Page
3.80 · 24 ratings
poly · science fiction · multicultural · aliens · futuristic · reverse harem · length-short · military · demons · menage
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Men of Omaron
by Juno Wells
4.01 · 31 ratings
military · science fiction · futuristic · length-novella · aliens · fantasy · length-short · dual-pov · alpha male · m-f · third-person-pov · explicit-open-door · pregnancy · royalty
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Fire Planet Warriors
by Calista Skye
3.86 · 31 ratings
length-short · futuristic · aliens · science fiction · multicultural · humor · military · erotica · alpha male · m-f · new adult · curvy heroine · abduction
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Windwalkers
by Lisa Renee Jones
4.33 · 21 ratings
paranormal · suspense · fantasy · m-f · science fiction · aliens · futuristic · male-pov · survival · dual-pov · men in uniform · length-novella · strong heroine · grumpy sunshine · dystopian · secret-relationship · tortured hero · military · career professional · cheerful heroine
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The Intergalactic Union
by Natasha Campbell-Jones
3.55 · 19 ratings
class difference · horror · m-m-f · aliens · futuristic · independent heroine · male-pov · super rich hero · found-family · non-human-heroine · poly · betrayal · competent heroine · royalty · bisexual · abuse · rape-non-mc · torture-scs · science fiction · m-m
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Ultimate Passage
by Elle Thorne
3.65 · 22 ratings
futuristic · science fiction · military · multicultural · audiobook · length-short · fantasy · aliens · length-novella · new adult · shapeshifters · paranormal · non-human-hero · erotica · urban fantasy · magic
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Warriors
by L.P. Peace
4.33 · 18 ratings
science fiction · fantasy · length-short · reverse harem · futuristic · aliens · length-medium · past-sexual-abuse · non-human-hero · military · sweet-hero · fated-mates · independent heroine · forced proximity · dangerous heroine · second chances · shy-hero · black-mc · death · slavery
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