1959. No edition remarks. 498 pages. No dust jacket. Blue cloth covered boards. Black and white photographs and diagrams. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Cracking to front hinge with netting exposed. Binding loose. Previous owner's name to front pastedown. Boards have moderate shelf wear with mild bumping and fraying to corners and crushing and fraying to spine ends. All surfaces tanned and sunned, particularly spine.