244pp; various of in-text black and white photographs and charts. Green cloth-covered boards; white titles on front and spine. 4to. Rubbed corners and spine ends; shelf number label taped to spine. Lender's rubber stamp on top and fore text block edges; all edges just starting to tan. Lender's stamps, security device and markings on endpapers and title pages; volume a little loose; page margins just starting to tan. Otherwise, internally neat and clean.