1938. First Edition. 274 pages. Pictorial dust jacket over orange cloth. Black and white photographs and diagrams. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding remains firm. Boards have heavy shelf wear with bumping and fraying to corners and crushing and fraying to spine ends. All surfaces tanned and sunned, particularly spine. Unclipped jacket has heavy edge wear with tears, chipping and creasing. All surfaces heavily tanned, particularly spine.