Philadelphia: W. B. Saunders Company, (1971). Softcover. Very good in blue and white illustrated paper wrappers with white title to front and spine panels. Minor yellowing, rubbing, and creasing to wrappers and laminate on wrappers is peeling off. Light highlighting on several pages. Light yellowing to edges of pages. Else is clean and bright with illustrations throughout. Index, 115 pages. MED/092117. Very Good.