There she sits, the girl on the train. What she sees gazing out the window, will change everything. Every day the same. Rachel takes the same commuter train every morning and night. Every day she rattles down the track, flashes past a stretch of cozy suburban homes, and stops at the signal that allows her to daily watch the same couple breakfasting on their deck. She looks forward to it. She's even started to feel like she knows them. Jess and Jason...

The author of the #1 New York Times bestseller and global phenomenon The Girl on the Train returns with Into the Water, her addictive new novel of psychological suspense. A single mother turns up dead at the bottom of the river that runs through town. Earlier in the summer, a vulnerable teenage girl met the same fate. They are not the first women lost to these dark waters, but their deaths disturb the river and its history, dredging up secrets long...

Rachel is unemployed and devastated by a recent divorce. She fills her time with drinking, riding the commuter train, and fantasizing about a seemingly perfect couple the train passes by every day. Then one morning, Rachel sees something shocking that unravels her and entangles her in an unfolding mystery.