The Department of Homeworld Security

by Cassandra Chandler

3.38 · 8 ratings

science fiction · length-novella · futuristic · aliens · military · humor · first-in-series · standalone-first

The Department of Homeworld Security: Similar series

The Thresl Chronicles

by Amber Kell

3.78 · 71 ratings

length-novella · futuristic · shapeshifters · m-m · science fiction · queer · fated-mates · aliens · military · paranormal · fantasy · alpha male · magic · royalty · friends to lovers · standalone-first · first-in-series · war · queer-awakening · abuse

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Warriors of Kaizon

by Luna Hunter

3.69 · 69 ratings

humor · military · shapeshifters · length-novella · aliens · futuristic · science fiction · alpha male · possessive hero · non-human-hero · royalty · dystopian · fantasy · virgin heroine · breeding · insta-love · fighters · erotica · paranormal · cheerful heroine

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Alien Barbarians of Zandipor

by Kim Fox

3.59 · 33 ratings

military · length-novella · science fiction · aliens · humor · futuristic · alpha male · standalone-first · first-in-series · explicit-open-door · standalone · insta-love · sassy heroine · possessive hero

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Starfighter

by Hamlet Machine

4.21 · 33 ratings

length-novella · aliens · science fiction · queer · m-m · futuristic · military · dark · from hate to love · fantasy · paranormal · vampires · mystery · dystopian · war

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Interstellar Brides: Ascension Saga

by Grace Goodwin

4.29 · 114 ratings

military · science fiction · aliens · futuristic · multicultural · length-novella · fated-mates · non-human-hero · aristocratic heroine · mystery · strong heroine · possessive hero · explicit-open-door · gifted heroine · sassy heroine · suspense · m-f · non-human-heroine · spanking · praise-kink

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Men of Omaron

by Juno Wells

3.98 · 32 ratings

futuristic · science fiction · military · length-novella · length-short · aliens · fantasy · standalone-first · pregnancy · royalty · third-person-pov · explicit-open-door · dual-pov · first-in-series · alpha male · m-f

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Shamans & Shifters Space Opera

by Jenny Schwartz

4.56 · 32 ratings

audiobook · aliens · science fiction · futuristic · military · length-novella · werewolves · dystopian · fae · shapeshifters · steampunk · magic · pirates · paranormal · length-medium · fantasy · angst

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Galactic Mates

by Luna Hunter

4.16 · 57 ratings

futuristic · science fiction · military · aliens · humor · shapeshifters · length-novella · new adult · first-in-series · length-short · standalone-first

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Accidental Alien

by Erin Tate

4.01 · 39 ratings

aliens · futuristic · science fiction · military · humor · length-novella · first-in-series · standalone-first · length-medium · political-intrigue · erotica

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Between Rebels

by Skye MacKinnon

3.94 · 16 ratings

futuristic · length-novella · audiobook · aliens · science fiction · reverse harem · military · poly · tortured heroine · first-in-series · multicultural · erotica · alpha male · strong heroine · m-f · fighters · standalone-first · humor · abduction · abuse

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Starwalkers

by Julia Crane

4.35 · 20 ratings

aliens · science fiction · length-novella · young adult · futuristic · military · first-in-series · standalone-first · dystopian · contemporary · legends & fairy tales · urban fantasy · magic

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Alien Baby Pact

by Aurelia Skye

4.29 · 34 ratings

science fiction · length-novella · multicultural · audiobook · aliens · futuristic · post-apocalyptic · alpha male · military · fated-mates · pregnancy · forced proximity · fantasy · height-difference · new adult · east-asian-mc · first-in-series · m-f · standalone-first · paranormal

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Olympia Alien Mail Order Brides

by K. Cantrell

3.10 · 10 ratings

futuristic · science fiction · aliens · military · length-novella · independent heroine · small town · sunny hero · past-abuse · explicit-plentiful · pregnancy · working class heroine · humor · bodyguard-hero · competent heroine · explicit-open-door · mental-trauma · non-human-hero · arranged marriage · himbo

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Vistran Love

by April Osirus

3.38 · 13 ratings

science fiction · multicultural · length-novella · aliens · futuristic · military · standalone-first · first-in-series

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Space Beasts

by Alyssa Ezra

3.59 · 17 ratings

futuristic · military · science fiction · length-novella · aliens · first-in-series · length-short · standalone-first

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Alien Space Monsters

by Risa Rills

3.38 · 8 ratings

futuristic · science fiction · length-novella · military · aliens · paranormal · fantasy

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Alien Warrior Brides

by Taylor Neptune

3.66 · 16 ratings

aliens · science fiction · new adult · futuristic · military · humor · multicultural · length-novella · length-short · forced proximity · pregnancy · abduction · breeding · first-in-series · standalone-first · open-door

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The Alien King

by Maya Kane

3.83 · 6 ratings

military · science fiction · aliens · futuristic · length-novella · new adult · multicultural · standalone-first · first-in-series · humor

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The Varangian Chronicles

by Loribelle Hunt

3.80 · 5 ratings

science fiction · length-novella · futuristic · military · aliens · standalone-first · fantasy · first-in-series · europe · scandinavia

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Queen of the Savages

by Lisa Lace

3.80 · 5 ratings

military · science fiction · multicultural · length-novella · futuristic · aliens · standalone-first · fantasy · first-in-series · urban fantasy

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Intergalactic Mates

by Zara Harris

4.00 · 5 ratings

science fiction · multicultural · length-novella · futuristic · military · aliens · dystopian · standalone-first · first-in-series · fantasy

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Mated to the Alien King

by Lisa Lace

4.00 · 6 ratings

science fiction · military · multicultural · length-novella · futuristic · aliens · standalone-first · first-in-series

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