Protocol: Similar series
Ruthless People
by J.J. McAvoy
4.23 · 114 ratings
humor · mystery · suspense · contemporary · multi-pov · alpha-mc · organized-crime · romance · book · steamy · dark · new-adult · adult · crime · drama · female-mc · fiction · action-adventure · marriage · arranged-marriage
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Boston Underworld
by A. Zavarelli
4.15 · 119 ratings
alpha-mc · contemporary · romance · fiction · anti-hero · audiobook · multi-pov · enemies-to-lovers · suspense · revenge · angst · abuse · book · steamy · organized-crime · adult · dark · new-adult · mystery · crime
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Gypsy Brothers
by Lili St. Germain
4.18 · 156 ratings
fiction · suspense · contemporary · alpha-mc · organized-crime · romance · steamy · book · abuse · angst · revenge · dark · new-adult · biker · adult · drama · female-mc · crime · action-adventure · mystery
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Harmless
by Meli Raine
4.14 · 50 ratings
action-adventure · mystery · fiction · crime · military · sexual-assault · second-chances · dark · new-adult · abuse · angst · revenge · romance · book · steamy · audiobook · contemporary · betrayal · alpha-mc · suspense
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Pretty Little Dolls
by Ker Dukey
4.32 · 66 ratings
revenge · abuse · angst · book · kidnapping · steamy · mental-illness · romance · captivity · alpha-mc · contemporary · suspense · serial-killers · fiction · love-triangle · crime · adult · sexual-assault · horror · dark
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The Executive Office
by Tal Bauer
4.43 · 65 ratings
mlm · steamy · friends-to-lovers · in-uniform · audiobook · contemporary · political-intrigue · suspense · mystery · lgbtq · crime · drama · angst · book · romance · politics · fiction · action-adventure · espionage · adult
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Life
by Jewel E. Ann
4.20 · 64 ratings
fiction · mystery · adult · dark · angst · supernatural · romance · book · betrayal · contemporary · multi-pov · paranormal · suspense · psychological · steamy · audiobook · alpha-mc · domestic-drama · female-mc · love-triangle
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Seven of Spades
by Cordelia Kingsbridge
4.28 · 78 ratings
romance · steamy · book · mlm · killer · substance-abuse · suspense · contemporary · audiobook · in-uniform · lgbtq · crime · action-adventure · fiction · murder · dark · mystery · serial-killers · military · law-enforcement
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The Poughkeepsie Brotherhood
by Debra Anastasia
4.07 · 61 ratings
dark · new-adult · fiction · crime · contemporary · suspense · abuse · organized-crime · romance · book · adult · action-adventure · humor · alpha-mc · angst · steamy · death · drama · sad · multi-pov
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Black Ops Inc.
by Sherrilyn Kenyon
4.18 · 162 ratings
war · fiction · action-adventure · military · adult · violent-conflict · romance · suspense · contemporary · book · mystery · audiobook · in-uniform · alpha-mc · steamy · womens-fiction · crime · dark · female-mc · law-enforcement
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The Devil's Own
by Amo Jones
4.45 · 44 ratings
organized-crime · romance · steamy · book · angst · suspense · contemporary · alpha-mc · crime · fiction · dark · new-adult · biker · adult · abuse · cheating · enemies-to-lovers · multi-pov · anti-hero · female-mc
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BOSS, Inc.
by Kat Martin
4.10 · 42 ratings
dark · suspense · adult · contemporary · crime · audiobook · book · steamy · fiction · romance · action-adventure · mystery · alpha-mc · bodyguard · military · kidnapping · murder · female-mc · supernatural · paranormal
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In the Shadows Security
by Jeanne St. James
4.54 · 84 ratings
book · war · romance · action-adventure · fiction · violent-conflict · adult · audiobook · military · steamy · bodyguard · biker · alpha-mc · contemporary · female-mc · suspense · abuse · enemies-to-lovers · sports · forced-proximity
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Wrecked
by Catherine Cowles
4.35 · 82 ratings
fiction · mystery · adult · romance · audiobook · contemporary · small-town · suspense · family · new-adult · book · friends-to-lovers · epic · angst · multi-pov · slow-burn · drama · sad · death · steamy
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Notorious Devils MC
by Hayley Faiman
4.09 · 74 ratings
biker · adult · crime · fiction · domestic-drama · cheating · suspense · alpha-mc · contemporary · book · steamy · organized-crime · romance · dark · death · betrayal · multi-pov · abuse · family · insta-love
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Grim Bastards MC
by Emily Minton
4.13 · 70 ratings
book · steamy · romance · alpha-mc · contemporary · fiction · biker · adult · suspense · abuse · cheating · family · betrayal · crime · domestic-drama · dark · death · kidnapping · angst · friends-to-lovers
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The Shadow Keepers
by J.K. Beck
3.96 · 81 ratings
shapeshifters · book · romance · vampires · urban-fantasy · paranormal · contemporary · fiction · fantasy · adult · supernatural · demons · magic · steamy · political-intrigue · politics · suspense · mystery · witches-wizards · legal
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Caged
by D.H. Sidebottom
3.94 · 32 ratings
fiction · dark · adult · book · steamy · romance · mlm · suspense · anti-hero · crime · drama · death · sexual-assault · kidnapping · psychological · revenge · abuse · angst · alpha-mc · fighter
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Bound and Broken
by Rebecca Shea
4.13 · 32 ratings
organized-crime · crime · romance · book · fiction · new-adult · suspense · contemporary · audiobook · adult · multi-pov · death · steamy · angst · love-triangle · family · law-enforcement · alpha-mc · university · mystery
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Wicked & Devoted
by Shayla Black
4.21 · 34 ratings
romance · adult · contemporary · suspense · fiction · audiobook · book · steamy · alpha-mc · violent-conflict · bodyguard · military · action-adventure · mystery · war · small-town · multi-pov · slow-burn · anthologies · dark
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Condor
by John Simpson
3.75 · 28 ratings
fiction · action-adventure · mystery · mlm · book · romance · adult · middle-class · contemporary · military · politics · lgbtq · war · violent-conflict · steamy · family · alternate-history · suspense · warriors · in-uniform
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Tarnished Crowns Trilogy
by Annie Dyer
4.43 · 14 ratings
politics · love-triangle · female-mc · mlm · fiction · royalty · romance · book · steamy · contemporary · adult · bodyguard · suspense · lgbtq · new-adult · reverse-harem · polyamory · secrets
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Bound By Betrayal
by E.L Beth
4.00 · 3 ratings
adult · alpha-mc · bdsm · contemporary · dark · cheating · fiction · suspense · domestic-drama · angst · abuse · drama · steamy · book · romance · death · crime · romantic-love
All books in this series ❯