**THE TOP 5 SUNDAY TIMES BESTSELLER**'My book of the year so far. Breathtakingly, heart-stoppingly brilliant... A beautifully written, gripping, intelligent, unpredictable crime novel that obsessed me from start to finish' Awarded Crime Novel of the Year by Sophie Hannah, internationally bestselling author of The Narrow BedA chilling new thriller that gets into the heart and mind of the killer, and the victim . . .Seventeen-year-old Tessa, dubbed a 'Black-Eyed Susan' by the media, became famous for being the only victim to survive the vicious attack of a serial killer. Her testimony helped to put a dangerous criminal behind bars - or so she thought. Now, decades later the black-eyed susans planted outside Tessa's bedroom window seem to be a message from a killer who should be safely in prison. Haunted by fragmented memories of the night she was attacked and terrified for her own teenage daughter's safety, can Tessa uncover the truth about the killer before it's too late?