1935 presumed FIRST EDITION- authored by George Peabody College Professor, Paul L. Boynton & is also included in the 'Cumberland Educational Series' Ex library copy, has handwritten name, some notes/marks Text, charts, graphs Clear/Readable-book is fully intact- cover, bumped corners, back cover/top of spine beginning to separate(unhinge) from board 3 inches down from top-one of the few remaining 1938 Editions available, condition- 'most' ACCEPTABLE