Widely considered as Chesterton's masterpiece, The Man Who Was Thursday (1908) defies classification. Drawing on contemporary fears of anarchist conspiracies and bomb outrages, this text is firmly rooted in its time and place--turn of the century London--but it also defies temporal boundaries. This critical edition includes several short related pieces, A Picture of Tuesday, Introduction to the Book of Job, and The Diabolist, as well as a map of contemporary London and detailed explanatory notes.