ROTH MEMORY COURSE: A SIMPLE AND SCIENTIFIC MEMORY COURSE: ALL SEVEN LESSONS (ALL SEVEN LESSONS IN SEVEN BOOKS)
US: Walter J. Black Inc, 1934. Paperback. 7 stapled pamphlets. Some chipping and soiling to the covers of Lesson One, and the front cover is detached. Lesson Two has a lightly marked fingerprint on the front cover, and Lesson 7 has chipping to edges; otherwise, all remaining booklets are in.....