On the Line

by Lori Ryan

4.25 · 8 ratings
contemporary · drama · book · romance · suspense · police-procedural · fiction · mystery · action-adventure · law-enforcement · adult · female-mc

On the Line: Similar series

Morgan Dane

by Melinda Leigh

4.28 · 168 ratings
contemporary · audiobook · small-town · killer · suspense · legal · book · law-enforcement · adult · investigator · female-mc · fiction · action-adventure · murder · mystery · crime · family · police-procedural · romance · dark
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Kay Scarpetta

by Patricia Cornwell

3.86 · 832 ratings
adult · thriller · crime · fiction · mystery · book · medical · law-enforcement · murder · forensics · suspense · audiobook · killer · contemporary · female-mc · serial-killers · drama · whodunit · female-author · action-adventure
All books in this series  ❯

Gardner Universe

by Lisa Gardner

4.11 · 526 ratings
law-enforcement · thriller · crime · fiction · murder · mystery · killer · suspense · police-procedural · contemporary · audiobook · book · psychological · adult · action-adventure · drama · family · serial-killers · female-mc · dark
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Rizzoli & Isles

by Tess Gerritsen

4.09 · 450 ratings
law-enforcement · fiction · mystery · suspense · adult · forensics · book · thriller · crime · drama · medical · murder · female-mc · police-procedural · contemporary · female-author · killer · audiobook · serial-killers · action-adventure
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Rockton

by Kelley Armstrong

4.13 · 156 ratings
adult · thriller · female-author · horror · law-enforcement · action-adventure · fiction · murder · mystery · female-mc · crime · drama · alpha-mc · small-town · audiobook · contemporary · survival · killer · suspense · urban-fantasy
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In Death

by J.D. Robb

4.30 · 2800 ratings
romance · adult · fiction · mystery · suspense · law-enforcement · female-mc · police-procedural · crime · murder · futuristic · sci-fi · audiobook · killer · urban-fantasy · contemporary · book · action-adventure · alpha-mc · drama
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Callahan & McLane

by Kendra Elliot

4.21 · 151 ratings
adult · book · killer · suspense · audiobook · contemporary · police-procedural · crime · female-mc · murder · fiction · mystery · law-enforcement · romance · psychological · drama · action-adventure · serial-killers · alpha-mc · family
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Scarlet Falls

by Melinda Leigh

4.32 · 74 ratings
law-enforcement · adult · crime · female-mc · mystery · fiction · action-adventure · killer · suspense · murder · contemporary · audiobook · police-procedural · romance · book · military · womens-fiction · family · drama · in-uniform
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Buchanan-Renard

by Julie Garwood

3.99 · 336 ratings
law-enforcement · crime · family · womens-fiction · fiction · action-adventure · mystery · suspense · audiobook · contemporary · book · romance · adult · murder · bodyguard · humor · in-uniform · killer · alpha-mc · drama
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Mercy Kilpatrick

by Kendra Elliot

4.35 · 181 ratings
law-enforcement · crime · female-mc · action-adventure · fiction · mystery · suspense · audiobook · police-procedural · adult · drama · murder · killer · contemporary · small-town · book · dark · serial-killers · romance · family
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DI Jackman & DS Evans

by Joy Ellis

4.22 · 152 ratings
killer · adult · police-procedural · contemporary · audiobook · law-enforcement · book · crime · psychological · thriller · fiction · murder · mystery · suspense · action-adventure · female-mc · serial-killers · drama · family · noir
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Livia Lone

by Barry Eisler

4.19 · 86 ratings
audiobook · suspense · book · thriller · adult · vigilante · mystery · fiction · action-adventure · justice · crime · police-procedural · political-intrigue · abuse · law-enforcement · assassins · female-mc · espionage · contemporary · drama
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Code 11-KPD Swat

by Lani Lynn Vale

4.41 · 90 ratings
military · book · steamy · romance · suspense · alpha-mc · in-uniform · audiobook · contemporary · multi-pov · war · crime · drama · fiction · humor · action-adventure · biker · adult · violent-conflict · law-enforcement
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Baltimore

by Karen Rose

4.22 · 54 ratings
romance · book · killer · suspense · audiobook · contemporary · police-procedural · womens-fiction · crime · serial-killers · fiction · murder · mystery · dark · law-enforcement · adult · psychological · abuse · legal · in-uniform
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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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Sunshine Vicram

by Darynda Jones

4.22 · 45 ratings
humor · mystery · female-mc · fiction · crime · adult · law-enforcement · urban-fantasy · book · romance · small-town · audiobook · contemporary · cozy · action-adventure · friendship · family · drama · slow-burn · womens-fiction
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The Art of Murder

by Josh Lanyon

4.15 · 72 ratings
adult · law-enforcement · lgbtq · crime · age-gap · fiction · murder · mystery · killer · suspense · audiobook · contemporary · book · romance · mlm · drama · slow-burn · action-adventure · serial-killers · police-procedural
All books in this series  ❯

Hazard and Somerset

by Gregory Ashe

4.25 · 97 ratings
fiction · mystery · lgbtq · crime · law-enforcement · adult · mlm · romance · in-uniform · contemporary · small-town · suspense · enemies-to-lovers · murder · slow-burn · angst · abuse · book · audiobook · multi-pov
All books in this series  ❯

Cold Justice

by Toni Anderson

4.34 · 164 ratings
contemporary · suspense · romance · law-enforcement · adult · fiction · mystery · crime · audiobook · action-adventure · book · military · female-mc · police-procedural · in-uniform · political-intrigue · serial-killers · alpha-mc · espionage · whodunit
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Liam Campbell

by Dana Stabenow

4.02 · 64 ratings
mystery · law-enforcement · adult · fiction · suspense · contemporary · police-procedural · crime · book · murder · audiobook · investigator · action-adventure · thriller · drama · romance · female-mc · sci-fi · cheating · indigenous-mc
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Cold Justice: The Negotiators

by Toni Anderson

4.34 · 50 ratings
romance · audiobook · contemporary · suspense · fiction · mystery · crime · law-enforcement · adult · book · police-procedural · female-mc · action-adventure · forced-proximity · alpha-mc · slow-burn · south-america · revenge · cheerful-mc · anthologies
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Saints Protection & Investigations

by Maryann Jordan

4.50 · 40 ratings
adult · romance · book · action-adventure · fiction · suspense · insta-love · contemporary · law-enforcement · military · police-procedural · alpha-mc · female-mc · mystery · audiobook · bodyguard · friends-to-lovers · second-chances · war · forbidden-love
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Memento Mori

by C.S. Poe

4.50 · 33 ratings
law-enforcement · adult · fiction · murder · mystery · lgbtq · crime · audiobook · contemporary · suspense · mlm · romance · book · slow-burn · drama · police-procedural · killer · new-york-state · urban · action-adventure
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The Greektown Stories

by Suzanne Jenkins

3.90 · 20 ratings
cozy · action-adventure · fiction · mystery · female-mc · urban · crime · book · family · police-procedural · law-enforcement · contemporary · murder · psychological · drama · womens-fiction · romance · adult · suspense · conspiracies
All books in this series  ❯