"The Man Who Was Thursday" - described as a metaphysical thriller - is an stunning work of detective fiction by the great G.K. Chesterton that follows the adventures of Gabriel Syme, an undercover detective who infiltrates a secret anarchist organization known as "The Council of the Seven Days." Run by seven men (each of whom uses a separate day of the week as their code name), Syme attempts to destroy the Council and reveal the identity of its leaders?but soon discovers the real threat is not who it originally appeared to be. A one-of-a-kind literary achievement, "The Man Who Was Thursday" is at times hilarious, thrilling, bizarre and baffling and has been a favorite of detective and mystery fans for over a century. It is presented here in its original and unabridged format.