Most Popular Mystery Books of the 2020s

Miss Fortune Mysteries #26

Swamp Spies

Jana DeLeon

Cozy Mystery · Mystery

February 19, 2024

Dark Verse #6

The Syndicater

RuNyx

Dark Fiction · Mystery · Romance

November 15, 2024

Royal Blood #2

Royal Scandal

Aimee Carter

Young Adult · Mystery · Thriller

March 26, 2024

Vera Stanhope #11

The Dark Wives

Ann Cleeves

Crime Fiction · Mystery · Thriller

August 27, 2024

Mr. Darcy & Miss Tilney Mysteries #2

The Late Mrs. Willoughby

Claudia Gray

Jane Austen Retellings · Regency · Historical Fiction · Mystery · Retellings

November 22, 2023

Possessing Her #2

Now You're Mine

Morgan Bridges

Dark Fiction · Mystery · Romance

November 9, 2023

Jonathan Quinn #16

The Taken

Brett Battles

Crime Fiction · Spy Thriller · Suspense Thriller · Mystery · Thriller

November 14, 2023

John Decker Supernatural Thrillers #14

Night Wraith

Anthony M. Strong

Horror · Mystery · Thriller

November 20, 2023

The River We Remember

William Kent Krueger

Crime Fiction · Suspense Thriller · Mystery · Thriller

September 5, 2023

Agents of S.U.I.T. #1

Agents of S.U.I.T.

Green John Patrick, Chris Hastings, Pat Lewis

Middle Grade · Graphic Novels · Mystery · Comics

February 21, 2023

The Wager: A Tale of Shipwreck, Mutiny and Murder

David Grann

Crime Fiction · Historical Fiction · Mystery · Non-fiction

April 18, 2023

Stephanie Plum #30

Dirty Thirty

Janet Evanovich

Mystery · Romance

October 31, 2023

An Agathas Mystery #2

The Night in Question

Kathleen Glasgow, Liz Lawson

Young Adult · Mystery · Thriller

May 30, 2023

Sisterhood #35

Rock Bottom

Fern Michaels

Mystery · Thriller

December 26, 2023

The Inheritance Games #4

The Brothers Hawthorne

Jennifer Lynn Barnes

Young Adult · Mystery · Thriller

August 29, 2023

Dark Verse #5

The Annihilator

RuNyx

Dark Fiction · Mystery · Romance

July 1, 2022

Stephanie Plum #29

Going Rogue

Janet Evanovich

Mystery · Romance

November 1, 2022

Joseph Bridgeman #4

The Quantum Chain

Nick Jones

Science Fiction · Mystery

October 4, 2022

Joseph Bridgeman #3

The Observer Effect

Nick Jones

Science Fiction · Mystery

March 15, 2022

Rivers of London #9

Amongst Our Weapons

Ben Aaronovitch

Fantasy · Occult Detective · Urban Fantasy · Mystery

April 22, 2022

Dark Verse #3

The Emperor

RuNyx

Dark Fiction · Mystery · Romance

January 6, 2021

Ali Cross #2

Like Father, Like Son

James Patterson

Middle Grade · Mystery

June 28, 2021

The Classified Dossier #1

The Classified Dossier - Sherlock Holmes and Count Dracula

Christian Klaver

Fantasy · Horror · Vampires · Sherlock Holmes · Mystery

October 19, 2021

Dark Verse #2

The Reaper

RuNyx

Dark Fiction · Mystery · Romance

July 10, 2020

Susan Ryeland #2

Moonflower Murders

Anthony Horowitz

Crime Fiction · Mystery · Thriller

August 20, 2020

Detective Louise Blackwell #2

The Descent

Matt Brolly

Crime Fiction · Mystery · Thriller

July 23, 2020

The Paranormal Casebooks of Sir Arthur Conan Doyle #3

The Teleporting Tomb and Other Tales

Vaughn Entwistle

Fantasy · Short Stories · Mystery

October 2020

From the Casebook of Lyons & Hound

Arrow of the Gods

Caractacus Plume

Fantasy · Mystery

April 17, 2020

InvestiGators #7

All Tide Up

Green John Patrick

Middle Grade · Graphic Novels · Mystery · Comics

September 26, 2023

City Spies #2

Golden Gate

James Ponti

Middle Grade · Adventure · Mystery

March 16, 2021

City Spies #5

Mission Manhattan

James Ponti

Middle Grade · Adventure · Mystery

February 6, 2024

Moonfell Witches #2

Amber Moon

TJ Green

Fantasy · Paranormal Fantasy · Urban Fantasy · Witches · Mystery

August 21, 2025

City Spies #1

City Spies

James Ponti

Middle Grade · Adventure · Mystery

March 10, 2020

Spy School #11

Spy School Goes North

Stuart Gibbs

Middle Grade · Adventure · Mystery

October 3, 2023

Miss Fortune Mysteries #29

Coeds and Cattails

Jana DeLeon

Cozy Mystery · Mystery

November 9, 2025

Spy School #9

Spy School at Sea

Stuart Gibbs

Middle Grade · Adventure · Mystery

January 1, 2021