Haanel, Charles F The master key system Charles F. Haanel ; edited by Ruth L. Miller - 1st Atria Books/Beyond Words hardcover ed - New York ; Hillsboro, OR Atria Books ; Beyond Words Pub. 2008 - xxiii, 438 p. ; 23 cm. Includes bibliographical references ISBN: 9781582701905 ISSN: 2007920776 Subjects--Topical Terms: New Thought Dewey Class. No.: 131 HAA