The Girl on the Train, written by Paula Hawkins, is a gripping psychological thriller that takes you on a journey of obsession, deceit, and suspense. The story follows Rachel Watson, a troubled woman who becomes entangled in a missing person investigation. As Rachel becomes more involved in the lives of the people she observes from the train, she uncovers dark secrets that could change everything. With its unreliable narrator and intricate plot, The Girl on the Train will keep you guessing until the shocking conclusion.