Compelling literary thriller centring on the relationship between a tax inspector and her multi-millionaire codemaker client. Hill's novels have sold over 200,000 copies. Sunday Times John Law is a man full of secrets. People call him the Cryptographer, or the Codebreaker. He is mysterious and charming, the world's first quadrillionaire. When tax inspector Anna Moore is assigned Law as a new client, her first task is to discover just what he is trying to hide.