'Gripping and heartbreaking' Laura Marshall, author of Friend Request 'Dark and addictive' Ruth Hogan, author of The Keeper of Lost Things 'So emotionally true' Sophie Kinsella, author of the Shopaholic series ******************* 'You're stuck there, aren't you? Right at the end. And I wonder if it might help to go back to the beginning, to put everything in some kind of order.' Catherine...