Invasive Species: Similar series
Accidental Alien Brides
by January Bell
4.08 · 275 ratings
science fiction · military · non-human-hero · aliens · humor · dual-pov · explicit-open-door · possessive hero · first-person-pov · futuristic · length-short · arranged marriage · slow burn · forced proximity · strong heroine · m-f · caretaking · fighters · warrior-heroine · competent heroine
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The Adventures of a Xeno-Archaeologist
by Jenny Schwartz
4.28 · 122 ratings
military · futuristic · science fiction · aliens · length-short · length-medium · angst · fantasy · found-family · dual-pov · paranormal
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Galactic Conspiracies
by Rob Colton
3.98 · 51 ratings
futuristic · aliens · science fiction · insta-love · alpha male · m-m · military · queer · length-short · working class hero · pregnancy · height-difference · secret child · length-novella · abduction · fated-mates · abuse · explicit-open-door
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Hell Squad
by Anna Hackett
4.21 · 290 ratings
aliens · military · science fiction · m-f · dystopian · futuristic · independent heroine · length-short · length-novella · alpha male · cold heroine · explicit-open-door · commander · height-difference · erotica · cold hero · war · rich heroine · competent heroine · graphic-violence
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The Phoenix Adventures
by Anna Hackett
4.08 · 123 ratings
m-f · science fiction · futuristic · military · length-short · aliens · fantasy · length-novella · paranormal · pirates · horror · suspense
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Blue Solace
by C.W. Gray
4.19 · 69 ratings
m-m · queer · science fiction · length-short · futuristic · aliens · omegaverse · fated-mates · military · paranormal · erotica · fantasy · abuse · third-person-pov · shy-hero · behind-doors · pregnancy · explicit-open-door · insta-love · dark
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Refuge
by Cynthia Sax
4.34 · 47 ratings
science fiction · futuristic · aliens · m-f · length-short · alpha male · strong heroine · fighters · tortured heroine · military · possessive hero · non-human-hero · torture-scs · commander · bad boys · tall-heroine · fantasy · fated-mates · super rich hero · from hate to love
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Imperial Princes
by Mina Carter
3.68 · 35 ratings
science fiction · futuristic · length-short · aliens · military · rape · m-f · rape-mc · open-door · abuse · strong heroine · erotica · length-novella · slavery · cruel hero · pregnancy · sassy heroine · royalty · suspense · working class heroine
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Men of Omaron
by Juno Wells
4.01 · 31 ratings
science fiction · futuristic · military · fantasy · length-novella · aliens · length-short · alpha male · m-f · pregnancy · dual-pov · royalty · third-person-pov · explicit-open-door
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Fire Planet Warriors
by Calista Skye
3.86 · 31 ratings
aliens · multicultural · futuristic · length-short · science fiction · military · humor · new adult · abduction · m-f · erotica · curvy heroine · alpha male
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Warriors of Sangrin
by Nancey Cummings
4.08 · 70 ratings
military · science fiction · futuristic · aliens · length-short · m-f · superheroes · non-human-hero · alpha male · open-door · length-medium · grumpy sunshine · age difference · length-novella · erotica · possessive hero · fighters · competent heroine · strong heroine · breeding
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Genetically Modified
by Holly S. Roberts
4.06 · 34 ratings
shapeshifters · aliens · fantasy · paranormal · dystopian · m-f · military · length-short · suspense · found-family · demons · urban fantasy · strong heroine · futuristic · science fiction · new adult · length-medium · dark · post-apocalyptic · horror
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Chamele Barbarian Warlords/Barbarian Claims
by Cynthia Sax
3.59 · 27 ratings All books in this series ❯The Last Alphas of Thracos
by Marina Maddix
3.94 · 18 ratings
science fiction · futuristic · aliens · humor · military · length-short · m-f · paranormal · length-medium · shapeshifters · fantasy
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Cyborg Force
by Cara Bristol
4.50 · 18 ratings
length-short · science fiction · from hate to love · military · forced proximity · mystery · suspense · fantasy · futuristic · aliens · betrayal · mature couple · paranormal · insta-love · alpha male
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Ultimate Passage
by Elle Thorne
3.65 · 22 ratings
futuristic · science fiction · military · multicultural · length-short · fantasy · aliens · non-human-hero · urban fantasy · magic · length-novella · erotica · paranormal · new adult · shapeshifters
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The Ragrim Conflict
by Nessa Claugh
4.31 · 16 ratings
science fiction · dual-pov · m-f · explicit-open-door · third-person-pov · independent heroine · aliens · competent heroine · non-human-hero · mental-trauma · caretaking · strong heroine · sweet-hero · forced proximity · men in uniform · length-short · height-difference · curvy heroine · poor heroine · war
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Kelderan Runic Warriors
by Jessie Donovan
4.20 · 20 ratings
science fiction · aliens · humor · futuristic · length-short · military · non-human-hero · length-medium · length-novella · fantasy
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Auxem
by Lisa Lace
4.20 · 10 ratings
science fiction · futuristic · military · multicultural · length-short · contemporary · aliens · sports · fantasy · paranormal · suspense
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