This is the Number One Bestseller. You Dont Know Her. But She Knows You. Rear Window meets Gone Girl, in this exceptional and startling psychological thriller ”Gripping, enthralling - a top-notch thriller and a compulsive read.” (S J WATSON, bestselling author of Before I Go To Sleep). Rachel catches the same commuter train every morning. She knows it will wait at the same signal each time, overlooking a row of back gardens. She`s even started to feel like she knows the people who live in one of the houses. `Jess and Jason`, she calls them. Their life - as she sees it - is perfect. If only Rachel could be that happy. And then she sees something shocking. It`s only a minute until the train moves on, but it`s enough. Now everything`s changed. Now Rachel has a chance to become a part of the lives she`s only watched from afar. Now they`ll see; she`s much more than just the girl on the train...