Old Man's War: Similar series
Starbound
by Amie Kaufman
3.94 · 236 ratings
science fiction · dystopian · young adult · futuristic · aliens · competent heroine · audiobook · m-f · male-pov · mystery · sassy heroine · from hate to love · forbidden love · suspense · dual-pov · behind-doors · length-long · military · rich heroine · class difference
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The League
by Sherrilyn Kenyon
4.26 · 704 ratings
urban fantasy · explicit-open-door · science fiction · futuristic · tortured hero · m-f · aliens · audiobook · third-person-pov · misogyny · suspense · alpha male · royalty · military · graphic-violence · past-abuse · contemporary · standalone-first · forced proximity · competent heroine
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Imperial
by M.K. Eidem
4.19 · 107 ratings
non-human-hero · aliens · audiobook · science fiction · futuristic · military · length-long · open-door · age difference · men in uniform · strong heroine · aristocratic heroine · standalone-first · first-in-series · length-medium · working class hero · insta-love · length-epic · cold hero · mystery
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Cyborgs on Mars
by Honey Phillips
4.06 · 145 ratings
science fiction · explicit-open-door · futuristic · fantasy · western · alpha male · dual-pov · cowboys · length-novella · dystopian · tortured hero · small town · possessive hero · audiobook · competent heroine · forced proximity · men in uniform · angst · sweet heroine · tortured heroine
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The Lotus War
by Jay Kristoff
3.86 · 81 ratings
magic · paranormal · fantasy · dystopian · science fiction · steampunk · futuristic · historical · audiobook · young adult · urban fantasy · demons · length-novella · legends & fairy tales · love triangle · other-man-woman · east-asian-mc · multicultural · strong heroine · first-in-series
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After the Plague
by Imogen Keeper
4.13 · 117 ratings
first-person-pov · dystopian · angst · science fiction · m-f · alpha male · survival · dual-pov · men in uniform · suspense · slow burn · forced proximity · male-pov · caretaking · death · sweet heroine · found-family · hurt-comfort · competent heroine · fantasy
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Metahuman Files: Classified
by Hailey Turner
4.25 · 49 ratings
m-m · fetish · dystopian · science fiction · queer · third-person-pov · paranormal · suspense · dual-pov · men in uniform · length-novella · audiobook · futuristic · male-pov · anal sex · superheroes · explicit-open-door · military · height-difference · north-america
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Dark Mate-Claim
by Nora Ash
3.76 · 42 ratings
paranormal · length-novella · audiobook · m-f · alpha male · from hate to love · science fiction · dark · explicit-open-door · military · omegaverse · office · cold heroine · suspense · dual-pov · tortured hero · boss & employee · arranged marriage · futuristic · strong heroine
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Starfighter Training Academy
by Grace Goodwin
3.93 · 37 ratings
futuristic · aliens · science fiction · military · audiobook · length-novella · m-f · standalone-first · war · non-human-hero · length-medium · explicit-open-door · curvy heroine · competent heroine · fighters · first-in-series
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Rescue Bears
by Scarlett Grove
4.26 · 53 ratings
fantasy · science fiction · psychics · shapeshifters · futuristic · military · audiobook · angels · paranormal · length-novella · fated-mates · multicultural · first-in-series · m-f · standalone-first · athletes
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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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Bear Patrol
by Scarlett Grove
4.38 · 34 ratings
military · audiobook · shapeshifters · paranormal · angels · psychics · science fiction · fantasy · futuristic · length-novella · multicultural · standalone-first · first-in-series · standalone · latinx-mc
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Timber Bear Ranch
by Scarlett Grove
4.41 · 22 ratings
military · audiobook · paranormal · fantasy · psychics · shapeshifters · science fiction · futuristic · multicultural · length-novella · first-in-series · standalone-first · m-f · suspense · fated-mates · length-short
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Between Rebels
by Skye MacKinnon
3.94 · 16 ratings
length-novella · audiobook · science fiction · aliens · futuristic · military · poly · reverse harem · multicultural · erotica · alpha male · tortured heroine · m-f · fighters · first-in-series · standalone-first · strong heroine · abuse · humor · abduction
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Alien Baby Pact
by Aurelia Skye
4.29 · 34 ratings
science fiction · multicultural · length-novella · audiobook · aliens · futuristic · post-apocalyptic · alpha male · military · fated-mates · first-in-series · standalone-first · height-difference · new adult · pregnancy · forced proximity · fantasy · paranormal · suspense · m-f
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Protectors
by Nana Malone
3.63 · 16 ratings
fantasy · contemporary · length-novella · audiobook · military · multicultural · futuristic · science fiction · young adult · superheroes · paranormal · length-medium · anthologies · suspense · first-in-series · standalone-first
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Vampire: Alpha Claim
by Tamara Rose Blodgett
4.00 · 22 ratings
psychics · angels · demons · paranormal · urban fantasy · magic · length-novella · multicultural · shapeshifters · military · witches · fantasy · vampires · futuristic · science fiction · suspense · audiobook · first-in-series · m-f · standalone-first
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Cyn City Cyborgs
by Pearl Foxx
4.00 · 9 ratings
dystopian · science fiction · futuristic · audiobook · military · length-novella · fighters · cold hero · sweet heroine · rape-non-mc · sports · possessive hero · poor heroine · length-short · virgin heroine · first-in-series · m-f · standalone-first · abuse-non-mc · working class hero
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Lycan: Alpha Claim
by Tamara Rose Blodgett
3.71 · 14 ratings
magic · witches · futuristic · shapeshifters · science fiction · psychics · vampires · fantasy · demons · paranormal · angels · length-novella · military · multicultural · urban fantasy · audiobook · first-in-series · cliffhanger · standalone-first
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Alien Outlaws
by Kate Rudolph
3.91 · 11 ratings
futuristic · science fiction · military · length-novella · audiobook · standalone-first · glimpses-kisses · aliens · abduction · competent heroine · alpha male · m-f · dual-pov · first-in-series
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Lovebites Lottery
by Kate Kent
4.13 · 8 ratings
shapeshifters · length-novella · audiobook · paranormal · urban fantasy · fantasy · science fiction · futuristic · first-in-series · humor · vampires · standalone-first
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Audacity Saga
by R.K. Thorne
4.38 · 8 ratings
military · science fiction · futuristic · audiobook · m-f · length-medium · length-long · standalone-first · length-novella · first-in-series
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Wounded Warriors
by Kit Tunstall
4.36 · 11 ratings
paranormal · shapeshifters · fantasy · military · length-novella · urban fantasy · futuristic · science fiction · length-medium · audiobook · multicultural · standalone-first · first-in-series
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Earth's Only Hope
by Joynell Schultz
4.25 · 8 ratings
science fiction · audiobook · dystopian · length-short · futuristic · aliens · military · first-in-series · cliffhanger · standalone-first · fantasy
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