The Girl on the Train, written by Paula Hawkins, is a compelling urban mystery fiction book that follows the life of Rachel Watson. Rachel, a troubled alcoholic, becomes entangled in a missing person investigation after witnessing something suspicious from her train window. Hawkins masterfully weaves together multiple perspectives and unreliable narrators, keeping readers guessing until the very end. The Girl on the Train is a gripping and atmospheric read that explores themes of memory, obsession, and the dark secrets that lie beneath the surface of seemingly ordinary lives.