Marnie Logan often feels like she's being watched. Nothing she can quite put her finger on - a whisper of breath on the back of her neck, or a shadow in the corner of her eye - and now her life is frozen. Her husband Daniel has been missing for more than a year. Depressed and increasingly desperate, she seeks the help of clinical psychologist Joe O'Loughlin. Joe is concerned by Marnie's reluctance to talk about the past, but then she discovers a book packed with pictures, interviews with friends, former teachers, old flames and workmates Daniel was preparing for her birthday. It was supposed to be a celebration of her life. But it's not the story anyone was expecting ...

The unbeatable Robotham adds a knockout ending Choice magazine Robotham is on top form in this latest thriller Bella

Michael Robotham started his career as a journalist but then became a ghostwriter, writing many bestselling autobiographies in collaboration with politicians, pop stars, psychologists, adventurers and showbusiness personalities. His thrillers have been translated into twenty-two languages and he has twice won Australia's Ned Kelly Award for best crime novel. He was shortlisted for the CWA Steel Dagger in 2007 and 2008 and was also shortlisted for the inaugral ITV3 Thriller Awards.