The Girl on the Train by Paula Hawkins
Every morning on the same commuter train, Rachel images the lives unfolding in the homes she passes. The people there seem to lead perfect lives. Then, one morning as the train passes the usual stretch of houses, Rachel sees something that will completely turn her world upside down, and suddenly finds herself in the midst of a missing person’s investigation. The Girl on the Train is a suspenseful psychological thriller and a good choice for fans of the genre.