The obituaries for Gerald Candless were respectful - an admired and popular writer, once a candidate for the Booker Prize The trouble was, as his daughter Sarah soon discovered when she embarked on a memoir of him, very few of these facts were true It seemed that her father had taken on a different identity at some point in his life that he wasn't Gerald Candless at all But if he wasn't Candless, who was he? And what had driven him to conceal his real identity even from his wife and children?