CJ Box's The Bitterroots series is a thrilling read that follows Cassie Dewell as she investigates a family of vipers in the Bitterroot Mountains. The book is full of intricate plots and unexpected twists, and readers will be taken on an emotional roller coaster as they learn the truth behind the family's actions. Box's writing is masterful and the characters are well-developed, making this series a must-read for fans of the genre.