London: Stuart and Watkins, 1968. Third printing. Hardcover. 8vo. Publisher's cloth in original dust jacket. Jacket heavily toned and edge-worn with small stain at front panel. Price-clipped. Distributor's information pasted in at title page, leaving adhesive residue at verso, interior otherwise clean. Very good. 392 pp. Very good / very good. Item #16357
Graphs and illustrations throughout the text.