Title; Contents; One The Absence of Mr Glass; Two The Paradise of Thieves; Three The Duel of Dr Hirsch; Four The Man in the Passage; Five The Mistake of the Machine; Six The Head of Caesar; Seven The Purple Wig; Eight The Perishing of the Pendragons; Nine The God of the Gongs; Ten The Salad of Colonel Cray; Eleven The Strange Crime of John Boulnois; Twelve The Fairy Tale of Father Brown.