Doppelgangers is the theme running through this story. If you think the idea is far-fetched then do not read this. It is an intriguing book with plenty of thrills and spills. Kate has a special skill called super-recogniser. She has the ability to pick out criminal faces from crowds. After a serious car accident, she has left the force, and moved in with Rob who she met at the hospital. Does he have a mental doppelganger?

The premise of this book is intriguing, and the first few chapters draw you in but then …. the plot becomes rather disappointingly improbable. Shame as the idea of a visitor turning up your house with knowledge of your house, but is suffering from amnesia and does not know who she is, sounds like an…