The Girl on the Train, authored by Paula Hawkins, is a gripping psychological thriller that revolves around Rachel Watson, an alcoholic woman who becomes entangled in a missing person investigation. Rachel's life takes a dark turn when she witnesses something shocking from the train window and becomes obsessed with solving the mystery. As she delves deeper into the lives of the people involved, she uncovers a web of deceit, betrayal, and danger. This book will keep you hooked with its unreliable narrator and suspenseful plot.