Douglas Payne What Next? The Flaw The Avenging Hand The Fallen idol The Great Gold Robbery Maria Marten, or Murder in the Red Barn The Cup Final Mystery The Mystery of the Diamond Belt The Great Cheque Fraud The Further Exploits of Sexton Blake: The Mystery of the S.S. Olympic Doddington Diamonds The Miracle Red Aces You'd Be Surprised! The Blue Carbuncle
