Writing under the ambiguous pseudonyms ‘Waif Wander’ and ‘W. W.’, Mary Fortune penned a staggering 500 detective stories over a forty-year span, from 1868 to 1908. Narrated by the fictional detective Mark Sinclair, the series comprises Sinclair’s memoirs as he looks back through a “detective’s album” of mugshots from his long police career. This volume includes eight classic stories from one of the pioneers in the detective writing genre.