Breakthrough

by Michael C. Grumley

4.05 · 79 ratings

contemporary · military · audiobook · suspense · aliens · mystery · science fiction · length-medium · length-long

Breakthrough: Similar series

The Aurora Cycle

by Amie Kaufman

4.12 · 235 ratings

dystopian · length-long · magic · futuristic · mystery · humor · aliens · young adult · suspense · found-family · audiobook · new adult · science fiction · behind-doors · death · military · war · dual-pov · queer · fae

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Truly Devious

by Maureen Johnson

4.06 · 386 ratings

mystery · audiobook · historical · suspense · young adult · fantasy · glimpses-kisses · contemporary · paranormal · high-school · third-person-pov · mental illness · death · dark · length-medium · queer · found-family · humor · m-f · horror

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Starbound

by Amie Kaufman

3.94 · 234 ratings

aliens · futuristic · science fiction · dystopian · young adult · mystery · competent heroine · male-pov · audiobook · m-f · length-long · military · behind-doors · from hate to love · sassy heroine · forbidden love · dual-pov · suspense · forced proximity · famous heroine

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Dark World Mates

by Olivia Riley

3.86 · 203 ratings

military · strong heroine · aliens · m-f · audiobook · science fiction · non-human-hero · graphic-violence · possessive hero · survival · multicultural · death · monsters · futuristic · alpha male · working class heroine · torture-mcs · open-door · fighters · explicit-open-door

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St. Helens

by Jayne Castle

4.08 · 126 ratings

mystery · futuristic · m-f · contemporary · audiobook · dual-pov · length-medium · suspense · open-door · science fiction · aliens · fantasy · virgin heroine · paranormal

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GhostWalkers

by Christine Feehan

4.27 · 791 ratings

military · fantasy · audiobook · paranormal · suspense · urban fantasy · contemporary · explicit-open-door · m-f · mystery · length-long · virgin heroine · alpha male · usa · science fiction · gifted heroine · commander · north-america · independent heroine · tortured heroine

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Ghost Hunters

by Jayne Castle

4.12 · 696 ratings

futuristic · suspense · urban fantasy · audiobook · mystery · dual-pov · contemporary · aliens · length-medium · magic · open-door · paranormal · fantasy · science fiction · vampires · witches · m-f · humor · angels · shapeshifters

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Rainshadow

by Jayne Castle

4.11 · 173 ratings

audiobook · futuristic · mystery · length-medium · suspense · urban fantasy · fantasy · paranormal · dual-pov · magic · aliens · science fiction · open-door · contemporary · m-f · shapeshifters · witches · tycoon · humor · vampires

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Kara Gillian

by Diana Rowland

3.98 · 301 ratings

audiobook · contemporary · urban fantasy · mystery · demons · magic · suspense · paranormal · fantasy · love triangle · north-america · usa · other-man-woman · louisiana · length-long · strong heroine · witches · length-medium · science fiction · m-f

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Confederation of Valor

by Tanya Huff

4.08 · 153 ratings

strong heroine · audiobook · military · futuristic · war · science fiction · aliens · survival · fantasy · paranormal · length-medium · humor · length-long · queer · time travel · mystery · suspense · pirates · m-f

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Noumena

by Lindsay Ellis

3.89 · 88 ratings

audiobook · suspense · aliens · science fiction · queer · historical · length-long · contemporary · young adult · paranormal · fantasy · dystopian · new adult · horror · length-medium · dark · mystery · open-door · glimpses-kisses

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McClouds & Friends

by Shannon McKenna

4.04 · 342 ratings

alpha male · contemporary · suspense · mystery · military · m-f · fantasy · paranormal · bodyguard-hero · length-long · explicit-open-door · length-medium · erotica · audiobook · cruel hero · tortured hero · cold hero · virgin heroine · possessive hero · tortured heroine

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More Heat Than the Sun

by John Wiltshire

4.48 · 241 ratings

mystery · age difference · military · m-m · queer · explicit-plentiful · suspense · angst · contemporary · audiobook · alpha male · dark · abuse · length-medium · bdsm · length-long · super rich hero · queer-awakening · secret-relationship · dub-con

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Tall, Dark & Dangerous

by Suzanne Brockmann

3.90 · 369 ratings

military · contemporary · suspense · mystery · men in uniform · audiobook · alpha male · m-f · dual-pov · length-long · open-door · length-medium · war · dark · historical · cowboys · christmas · behind-doors · friends to lovers · erotica

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Blood Brothers

by Rebecca Zanetti

3.92 · 76 ratings

mystery · fantasy · explicit-open-door · military · north-america · abduction · science fiction · abuse · suspense · paranormal · third-person-pov · dual-pov · audiobook · contemporary · alpha male · possessive hero · futuristic · usa · death · length-long

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Dock Five Universe

by Linnea Sinclair

3.86 · 95 ratings

science fiction · futuristic · audiobook · suspense · length-long · open-door · aliens · found-family · m-f · multicultural · strong heroine · racism · contemporary · competent heroine · angst · tortured hero · first-person-pov · military · pirates · mystery

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Blue Halo

by Nyssa Kathryn

4.46 · 169 ratings

military · fantasy · audiobook · m-f · suspense · contemporary · futuristic · science fiction · length-medium · mystery · paranormal · insta-love · dark · men in uniform · from hate to love · tortured hero · tortured heroine · explicit-open-door · open-door · forced proximity

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Spook Squad

by Keri Arthur

4.00 · 60 ratings

contemporary · shapeshifters · mystery · fantasy · vampires · science fiction · paranormal · suspense · magic · urban fantasy · audiobook · military · futuristic · length-medium · werewolves · length-long

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Cold Justice: The Negotiators

by Toni Anderson

4.32 · 99 ratings

suspense · contemporary · audiobook · m-f · mystery · competent heroine · death · length-long · independent heroine · heroine sleuth · third-person-pov · survival · explicit-open-door · office · alpha male · rape-non-mc · length-medium · forced proximity · strong heroine · men in uniform

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Enhanced World

by Victoria Sue

4.07 · 114 ratings

m-m · queer · paranormal · fantasy · military · audiobook · mystery · suspense · urban fantasy · contemporary · length-medium · height-difference · abuse · science fiction · men in uniform · from hate to love · futuristic · age difference · superheroes · dual-pov

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Redemption Harbor

by Katie Reus

4.25 · 108 ratings

military · suspense · m-f · contemporary · audiobook · third-person-pov · dual-pov · men in uniform · alpha male · bodyguard-hero · length-medium · possessive hero · explicit-open-door · working class heroine · competent heroine · friends to lovers · mafia · independent heroine · mystery · small town

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Phoenix Rising

by Joan Swan

4.03 · 50 ratings

fantasy · paranormal · suspense · audiobook · contemporary · men in uniform · alpha male · military · mystery · firefighter · length-medium · open-door · length-long · bad boys · futuristic · science fiction

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Hunt Brothers Search and Rescue

by Jessica Ashley

4.61 · 36 ratings

christian · mature couple · suspense · m-f · audiobook · contemporary · glimpses-kisses · bodyguard-hero · military · insta-love · first-person-pov · dual-pov · independent heroine · length-medium · competent heroine · graphic-violence · cowboys · mystery · forced proximity · usa

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Biological Response Team

by Julie Rowe

4.00 · 30 ratings

length-medium · suspense · military · contemporary · audiobook · m-f · bodyguard-heroine · mystery · explicit-open-door · bodyguard-hero · war · strong heroine · cruel hero

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