The Second Species trilogy: Similar series
Wayfarers
by Becky Chambers
4.28 · 304 ratings
science fiction · aliens · futuristic · found-family · length-medium · behind-doors · humor · glimpses-kisses · m-f · historical · length-long · dystopian · third-person-pov · f-f · secret-relationship · queer · military · war
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Prime Mating Agency
by Regine Abel
3.99 · 749 ratings
science fiction · aliens · futuristic · multicultural · m-f · non-human-hero · humor · fated-mates · explicit-open-door · marriage of convenience · monsters · creative-anatomy · competent heroine · arranged marriage · dual-pov · alpha male · sweet-hero · strong heroine · length-medium · pregnancy
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Matrix of Destiny
by Dara Joy
3.90 · 154 ratings
science fiction · shapeshifters · futuristic · length-medium · humor · fantasy · m-f · paranormal · witches · contemporary · aliens · alpha male · magic · explicit-plentiful · fated-mates · length-novella · virgin heroine · pregnancy · non-human-hero · royalty
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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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UniCorp
by Anna Sheehan
3.76 · 70 ratings
young adult · dystopian · science fiction · length-medium · aliens · futuristic · mystery · abuse · paranormal · time travel · fantasy · urban fantasy · legends & fairy tales · high-school
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Captured by Aliens
by A.G. Wilde
3.68 · 102 ratings
science fiction · explicit-open-door · aliens · abduction · non-human-hero · cold hero · independent heroine · fighters · humor · m-f · survival · past-abuse · multicultural · hurt-comfort · sweet-hero · third-person-pov · forced proximity · competent heroine · childfree-couple · slow burn
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Ancient Guardians
by S.L. Morgan
3.95 · 50 ratings
legends & fairy tales · young adult · science fiction · paranormal · length-medium · aliens · futuristic · fantasy · contemporary · superheroes · historical · length-long · psychics · dystopian
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Rebel Force
by Lee Savino
4.28 · 82 ratings
forced proximity · futuristic · science fiction · length-medium · aliens · alpha male · shapeshifters · explicit-open-door · m-f · dragon shifter · war · fighters · insta-love · past-abuse · possessive hero · multicultural · abduction · male-pov · height-difference · non-human-hero
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Human Pets of Talin
by R.K. Munin
3.75 · 100 ratings
science fiction · sweet-hero · aliens · futuristic · non-human-hero · height-difference · explicit-open-door · caretaking · possessive hero · multicultural · hurt-comfort · abduction · tortured hero · strong heroine · length-medium · fantasy · alpha male · slavery · dual-pov · forced proximity
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Otherworldly Men
by Susan Grant
3.72 · 59 ratings
aliens · futuristic · science fiction · length-medium · humor · contemporary · explicit-open-door · virgin hero · length-short · class difference · fantasy · open-door · paranormal · mystery · length-long · aristocratic heroine · politician
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Project: Adapt
by Jade Waltz
4.23 · 44 ratings
science fiction · poly · first-person-pov · reverse harem · multicultural · aliens · length-medium · futuristic · strong heroine · royalty · sweet heroine · virgin hero · possessive hero · torture-mcs · mental-trauma · past-abuse · m-f · alpha male · pregnancy · humor
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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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First Wave
by Mikayla Lane
4.14 · 81 ratings
science fiction · futuristic · length-medium · aliens · contemporary · fantasy · length-long · length-short · m-f · possessive hero · paranormal
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Blades of Arris
by Starla Night
4.28 · 36 ratings
aliens · science fiction · length-medium · military · abduction · m-f · alpha male · shapeshifters · fantasy · forced proximity · survival · asexual-hero · dual-pov · from hate to love · futuristic · non-human-hero · strong heroine · suspense · competent heroine · paranormal
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God Princes of Tigron
by Rowena Cherry
3.28 · 23 ratings
futuristic · length-medium · contemporary · science fiction · aliens · fantasy · open-door · paranormal · abduction · virgin heroine · erotica · m-f · possessive hero · length-novella · urban fantasy
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Levekk Invaders
by Lea Linnett
4.02 · 23 ratings
aliens · science fiction · futuristic · competent heroine · length-medium · length-short · poor heroine · m-f · forced proximity · forbidden love · multicultural · height-difference · strong heroine · vengeance · cheerful heroine · explicit-open-door · disabilities and marks · fantasy · cold hero · caretaking
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The Elementals
by Hanna Martine
3.76 · 17 ratings
length-medium · contemporary · urban fantasy · futuristic · science fiction · aliens · non-human-heroine · non-human-hero · fantasy · paranormal · colorado · usa · magic · north-america
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The Hunt
by A.M. Griffin
4.15 · 27 ratings
science fiction · explicit-open-door · length-medium · dystopian · paranormal · human-trafficking · abduction · non-human-hero · strong heroine · aliens · bad boys · futuristic · independent heroine · from hate to love · fantasy · horror · dark · possessive hero · primal-play · insta-love
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Wakanreo
by Carmen Webster Buxton
4.00 · 9 ratings
science fiction · futuristic · length-medium · aliens · sweet-hero · m-f · open-door · non-human-hero · length-epic · fated-mates · virgin hero · super rich hero
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Renascence Alliance
by Alma Nilsson
4.17 · 12 ratings
science fiction · length-medium · futuristic · aliens · military · multicultural · dystopian · paranormal · length-novella · length-long · christian
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