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...