P.L. Mannock The Final Problem The Crooked Man The Disappearance of Lady Frances Carfax The Missing Three Quarter The Mystery of the Dancing Men The Mystery of Thor Bridge The Engineer's Thumb The Cardboard Box His Last Bow The Three Students Sweeney Todd Sweeney Todd The Happy Ending The Stone of Mazarin His House in Order The Speckled Band The Gloria Scott The Blue Carbuncle Silver Blaze