New/Upcoming Mysteries & Thrillers
September 2025
The Impossible Fortune
by Richard Osman (release date 9/30)

The fifth entry in the wildly popular Thursday Murder Club series. As wedding plans unfold and personal struggles linger, the Thursday Murder Club reunites when a guest vanishes and a suspicious partner hints at something valuable—and deadly—leading Joyce, Elizabeth, Ron, and Ibrahim into a tangled case of coded secrets and high-stakes deception.
Gray Dawn
by Walter Mosley (release date 9/16)

Running a successful detective agency in 1970s L.A., Easy Rawlins is hired to find a dangerous woman whose secrets threaten to upend the city's fragile balance in the latest addition to the long-running series that began with Devil in a Blue Dress in 1990.
Seven reasons to murder your dinner guests
by KJ Whittle (release date 9/9)

An homage to Agatha Christie's locked-room mysteries. Seven strangers meet for an anonymously hosted dinner party. As the evening winds down, seven cards appear, one in front of each of the guests. On the card is a number – the age at which they will die. Thinking it an elaborate prank, the guests disperse into the night, hoping to forget the morbid evening forever. Two weeks later, one of them is dead at exactly the age the card predicted.
A Slowly Dying Cause
by Elizabeth George (release date 9/23)

When a tin workshop owner is found dead just as a lucrative land deal looms, Detective Inspector Lynley uncovers a tangle of family tensions and hidden motives in the 22nd novel of the series.
The Librarians
by Sherry Thomas (release date 9/30)

When two patrons die after a themed game night, four public librarians—each guarding painful secrets—must overcome mistrust and unite to protect their beloved library, unraveling a mystery that threatens the refuge they've built and the fragile peace they've found.
The Killing Stones
by Ann Cleeves (release date 9/30)

After his friend Archie is found murdered beside a stolen artifact on Westray, Detective Jimmy Perez returns to Orkney, where personal ties, dark secrets, and local rumors complicate his search for the truth behind the killing.
The mysterious case of the missing crime writer
by Ragnar Jonasson (release date 9/9)

Young detective Helgi must find bestselling crime author Elín S. Jónsdóttir, before her disappearance is leaked to the press, and before it is too late for the missing writer. From the Icelandic author of Death at the Sanatorium and Reykjavik.
End Game
by Jeffrey Archer (release date 9/23)

As London prepares for the 2012 Olympics, Commander William Warwick races against time to dismantle a shadowy international conspiracy planning a devastating attack in the eighth novel of the series following An Eye for an Eye.
Clown Town
by Mick Herron (release date 9/9)

While recovering from injury, former MI5 agent River Cartwright investigates a missing book tied to his late grandfather's secrets that draws in the disgraced spies of Slough House, in the ninth novel of the series that started with Slow Horses.
The Secret of Secrets
by Dan Brown (release date 9/9)

The author of The Da Vinci Code returns with his first novel since 2017's Origin. When Katherine Solomon vanishes and her manuscript disappears following a murder in Prague, symbologist Robert Langdon races across three cities to uncover a hidden truth about consciousness, pursued by ancient myths, secret societies, and a revelation that could upend humanity's understanding of the mind.
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