The Girl on the Train, by Paula Hawkins

This story, told in first person, is about a young woman, Rachel, who takes the train every day back and forth into London. While looking out the window of the train, she sees a happy young couple on their terrace. Over time, Rachel fantasizes about these two people, giving them names and creating a love story about their lives, which she truly believes. Hawkins expertly uses flashback as a technique to tell this intriguing story of love, jealousy, betrayal, and murder. This psychological thriller will keep you wanting to know what happens next...a real page turner!