1962. First Edition. 139 pages. Illustrated jacket over blue cloth with silver titles to spine. Includes photographic plates. Includes various diagrams. Pages have slight foxing, tanning and minor thumbing. Plates are clean with minor thumbing and foxing. A few dog-eared corners. Slight bubbling and marking to rear pastedown. Boards have some moderate edge wear, with slight bumping to corners and minor bumping to spine ends. Boards a little rubbed and marked overall. Silver titles are bright. Book has a slight backward lean. Unclipped jacket has light edgewear with small tears and creasing. Heavily tanned overall. Jacket is slightly rubbed and marked overall. Dog eared front flap.