S.J. Simon's classic bridge text book Why You Lose at Bridge, dispensing advice to the improving card player through archetypical bridge-playing characters such as Futile Willie, the Unlucky Expert, and Mrs. Guggenheim, is regarded as one of the best books ever written on the game. In this follow-up book, Julian Pottage uses the same approach to discuss common failings of modern club players - mis-describing your shape, overvaluing your hand, bidding the wrong slam, playing a flawed system, giving the wrong signal, making losing leads, and many more.