19 Sep 2025
Mystery & Thriller Novels for Readers Who Love Dark Psychology
If the human mind fascinates you, these books dive deep into obsession, manipulation, and madness. They’re disturbing in the best way. Perfect for readers who want psychological depth with their suspense.
108
by Dheepa Maturi
Release Date: June 17, 2025
Bayla Jeevan’s night shift turns surreal when her mind is pulled from San Francisco to India, where she witnesses toxins spreading. With a warning from her long-lost father and connections to a secret order, she must stop ZedChem before the planet—and humanity—collapses.
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Bad Deeds (DCI Harry Grimm Crime Thrillers Book 21)
by David J. Gatward
Release Date: August 31, 2025
As the delicate threads of community begin to unravel, can Harry Grimm trap a malicious puppeteer before their malevolent game leads to murder? When beloved local mechanic, Mike, causes a serious motoring accident, DCI Grimm’s instincts tell him something is very wrong. But with no trail of evidence to follow, he is left grappling in the dark for clues.
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Black Notice (Jackman & Evans Book 11)
by Joy Ellis
Release Date: September 16, 2025
A Black Notice means one thing: unidentified human remains. And this time, five skeletons lie interlocked in the darkness of a wartime pillbox. Rowan Jackman and Marie Evans are the detectives who take on the toughest cases in the Lincolnshire fens. And trouble always comes in threes. 6 a.m. on a dark autumn morning. Retired detective Bob Ruston is about to feed the dog when the doorbell rings. The man on the doorstep has blood running down his cheek and a look of terror on his face. ‘Please! Let me in! They’re going to kill me!’
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Murder by Firelight (A Flora Steele Mystery Book 12)
by Merryn Allingham
Release Date: September 4, 2025
Sussex, November 1959. There’s a chill in the air at the Lewes bonfire celebration. Carnival floats fill the narrow streets, fireworks crackle overhead, and Flora and Jack feel the heat of the burning torches lining the streets. But when Trevor French, chief of the Grove Bonfire Society, tumbles from his parade float, they know something is afoot. Trevor didn’t just fall – and amidst the crowds, his killer slips away through the smoke-filled night.
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Deadly Mercy
by Melinda Woodhall
Release Date: August 31, 2025
When a deadly hit-and-run accident leads to the discovery of a local woman’s eviscerated body, Special Agent Bailey Flynn soon discovers that the man who committed the unspeakable crime is responsible for two other grisly homicides in the area. After a local beekeeper with information about the murders goes missing, Bailey must delve into the killer’s tortured past and unearth the shocking truth about his twisted motive for murder before another life is taken.
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All the Lies They Told
by Robin Mahle
Release Date: August 19, 2025
Lexi Brewer and Skye Metcalf used to walk home from school side by side, sharing secrets and dreams. But those days are long gone. The friendship has crumbled, just like the bond between their families. When the girls fail to return home one evening, panic grips their small Idaho town. A frantic search begins, and as law enforcement closes in, the focus shifts to the people who should know them best—their parents.
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