[BURGESS, Gelett (1866-1951)]. The Master of Mysteries. Indianapolis: The Bobbs-Merrill Company, 1912. 8o. Frontispiece and plates by Karl Anderson and George Brehm. Original red cloth, white-lettered on front cover and spine (some wear at ends of spine). FIRST EDITION. Authorship of the book is revealed in a cipher: the first letters of the first words of the twenty-four stories read: "THE AUTHOR IS GELETT BURGESS". The last letters of the last words read: "FALSE TO LIFE AND FALSE TO ART". Queen's Quorum 50.