Mr. Zeroby Patricia Wentworth When Gay Harkwicke and her fiance, Algy, investigate the mysterious Mr. Zero, who is blackmailing Gay's cousin, Algy ends up becoming the prime suspect in a messy murder, and Gay must find the true culprit. Pages of Mr. Zero : Page 1Page 2Page 3Page 4Page 5Page 6Page 7Page 8Page 9Page 10Page 11Page 12Page 13Page 14Page 15Page 16Page 17Page 18Page 19Page 20