'I could not put this book down' Reese Witherspoon' IT ISN'T A GAME WHEN SOMEBODY DIESThe text message arrives in the small hours of the morning: I need you.Isa drops everything, takes her baby daughter and heads straight to Salten. She spent the most significant days of her life at boarding school on the marshes there, days which still cast their shadow over her.Isa and her three best friends use...