There are 6 books in the Cassie Dewell series. The newest book is Treasure State which came out in 2022.
1
When two sisters set out across a remote stretch of Montana road to visit their friend, little do they know it will be the last time anyone might ever hear from them again. The girls—and their car—simply vanish. Former police investigator Cody Hoyt has just lost his job and has…
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T. R.'s list on the most engrossing crime thrillers that leave you wanting more
3
Badlands
In C.J. Box's Badlands, the town of Grimstad used to be a place people came from but were never headed to. Now it’s the oil capital of North Dakota. With oil comes money, with money comes drugs, and with drugs come the dirtiest criminals Grimstad’s new deputy sheriff Cassie Dewell…
4
Paradise Valley
She almost caught him once. Now, he’s back.
For three years, Investigator Cassie Dewell has been on a hunt for a serial killer known as the Lizard King whose hunting grounds are the highways and truck stops where runaways and prostitutes are most likely to vanish. Cassie almost caught him...once.…
5
The Bitterroots
A riveting new novel from New York Times bestselling and Edgar Award-winning author C. J. Box.
The ties that bind can burn you.
Former sheriff’s investigator Cassie Dewell is trying to start her life over as in private practice. She’s her own boss and answers to no one, and that’s…
6
Treasure State
INSTANT NEW YORK TIMES BESTSELLER
#1 New York Times bestselling author C. J. Box's Treasure State finds Cassie Dewell in Montana on the trail of a con man.
Private Investigator Cassie Dewell’s business is thriving, and her latest case puts her on the hunt for a slippery con man who’s…