The Girl on the Train, written by Paula Hawkins, is a gripping psychological thriller that takes readers on a suspenseful journey. The story revolves around Rachel Watson, who becomes entangled in a missing person investigation after witnessing something shocking from the train. As Rachel tries to uncover the truth, she becomes increasingly paranoid and unsure of her own memories. The Girl on the Train is a page-turner that will keep you guessing until the very end.