Looking for the best new mystery and thriller books releasing in May 2026? This list covers new mystery, thriller, and suspense books for May 2026, organized by release date, with picks for cozy mystery fans, series readers, and lovers of standalone thrillers and suspense. Let’s get reading!
New Mystery and Thriller Books: May 2026 Releases
Table of Contents
- Jen’s Pick: New May 2026 Mysteries and Thriller Books by Subgenre
- New May 2026 Mysteries and Thriller Books by Release Date
- New Books In Series: May 2026 Releases
- New Cozy Mysteries: May 2026 Releases
- New Historical Mystery Books: May 2026 Releases
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Jen’s Picks of New May 2026 Mysteries and Thrillers by Subgenre:
- Procedural Mysteries: A Murder in Hollywood, Ironwood, Deadly Tides
- Suspense: Caller Unknown, The Anniversary, The Divorce
- Literary Mystery: The One Day You Were My Husband
- Legal Suspense: Dissection of a Murder
- Locked Room Mystery: Library After Dark – find more locked room mysteries here!
Scroll down for cozies and series mysteries!
May 5 2026 Releases
A Murder in Hollywood by Michael Crichton
A recently discovered Hollywood mystery set in the 1970s.
Caller Unknown by Gillian MacAllister
A woman’s teen daughter disappears on a vacation in Texas. I have a LOT of thoughts about this one, starting with the fact that it’s a very odd choice for the NBC book club given the Guthrie situation. Let’s discuss it all!
Dissection of a Murder by Jo Murray
A young lawyer forced to defend a man on trial for murder against the mentor who taught her everything: her husband.
The Library After Dark by Ande Pliego
A group is trapped in a haunted library.
Five by Ilona Bannister (Crown)
Five random people waiting for a train. One will die.
The Inklings Detective Agency by John R. Kelly
Members of a secret society are dying in 1930s Oxford.
A Zoom with a View by Jess Cannon
A woman returns to her hometown to help with her godmother’s real estate business and finds a body.
May 12 2026 Releases
The Last Mandarin by Louise Penny and Mellissa Fung
A mother and daughter scramble to help understand and de-escalate a crisis with China.
The Anniversary by Alex Finlay
Every May 1, a serial killer stalks a small town.
The Kindness of Strangers by Emma Garman
Homage to the classic murder mystery set in post-WWII London.
You Can Tell Me by Melinda Leigh
A true crime writer’s friend vanishes. When she finds a chilling text on her friend’s home, she knows she has limited time to find her. A new series featuring Olivia Cruz, the crime writer.
May 19 2026 Releases
Ironwood (Catalina 2) by Michael Connelly
Detective Stillwell fights the drug trade in his small island community.
The One Day You Were My Husband by Rosie Walsh
A woman whose husband was killed on their honeymoon begins to think he’s still alive years later. This is a great pick for fans of The Last Thing He Told Me. My Goodreads review below has protected spoilers.
Artifacts by Natalie Lemle
A lawyer is asked to help prevent organized crime smuggling of art and artifacts.
Deadly Tides by Raemi Ray
Lawyer turned amateur detective Kyra Gibson investigates a body in a lighthouse on Martha’s Vineyard.
May 26 2026 Releases
The Divorce by Freida McFadden
A woman dumped by her husband fixates on his new girlfriend.
The Blackthorn Women by Jess Lourey
A woman in a cursed family tries to save them.
It Happened One Murder by Liz Lawson
A woman forced to pair up with her ex to solve a murder.
Night Objects by Eli Raphael
A dark academia story at a boarding school.
New Mystery Books in Series: May 2026 Releases
Beauties (Women’s Murder Club 26) by James Patterson
The Fourth Option (Fourth Option 1) by Jack Carr
The Brothers McKay (Longmire 22) by Craig Johnson
Rules of Engagement (Jack Ryan 27) by Ward Larsen
Hidden in Lies (Are Murders 4) by Viveca Sten
Robert B. Parker’s Booked (Sunny Randall 13) by Allison Gaylin
Beneath a Broken Sky (Ben Packard 4) by Joshua Moehling
Mist and Malice (Haven 2) by Rachel Howzell Hall
Chowder House Murder (Downeast Maine 1) by Lee Hollis
Palm Beach Fake by Tom Turner
New Cozy Mystery Books in Series: May 2026 Releases
A Zoom with a View by Jess Cannon
The Diva Hosts a Murder (Domestic Diva 19) by Krista Davis
A Spirited Blend (Crystals and Curiositeas 3) by Lauren Elliot
Murder She Wrote: Murder Most Trivial (Murder She Wrote 63) by Jessica Fletcher and Barbara Early
Ode to the Bones (Sarah Booth Delaney 30) by Carolyn Haines
It Happened One Murder by Liz Lawson
Moonlight Murder (Detective Aunty 2) by Uzma Jalaluddin
New Historical Mystery Books: May 2026 Releases
Want to see prior months’ lists of New Mysteries?
New Mystery and Thriller Books: January 2026 Releases
New Mystery and Thriller Books: February 2026 Releases