1951. Revised Edition. 93 pages. No dust jacket. Brown stiff boards with red cloth spine. Possibly rebound. Includes illustrations. Includes photographic plates. Pages have slight foxing, tanning and minor thumbing. Text block edges very tanned and foxed. Endpapers have strips of tanning. A few dog-eared corners. Boards have some moderate edge wear, with slight bumping to corners and minor bumping to spine ends. Boards a little rubbed and marked overall. Slight stains to rear. Creased spine.