The Cain's Jawbone Book of Crosswords

Before Edward Powys Mathers wrote Cain's Jabwone, the world's most difficult literary puzzle, he was a cryptic crossword creator. Published under his pseudonym 'Torquemada', his puzzles would taunt readers for days. He created his first cryptic crossword puzzle in 1924 and went on to set them for the Saturday Westminster and the Observer for the next 15 years. His tru