C.J. Box's The Bitterroots is a gritty and suspenseful mystery starring Cassie Dewell, a highly skilled private detective who is determined to uncover the truth in Lochsa County. With some wicked twists and shocking turns, Cassie must unravel the secrets of the Kleinsasser family and the Iron Cross Ranch. The setting of Montana's Bitterroot Valley is a vibrant and exciting place, and the characters are well-developed. The story is full of suspense and unexpected twists, making it an excellent choice for a gripping mystery.