Published by Earth Science and Applications Division, Nasa, Washington, D. C., 1986
First Edition
Paperback. Condition: Very Good-. First Edition (?). Unmarked except for magic marker writing on front cover. ; Book Description; Spine has staples. Pages are clean and not marred by notes or folds. Covers are square with wear as noted. Ships Safe and Fast. ; B&W Illustrations; 4to 11" - 13" tall; 77 pages DQ2.