1956. 6th Impression. 160 pages. No dust jacket. Blue cloth with gilt lettering. Black and white photographic plates. Front endpaper has been removed. Pages are moderately tanned and thumbed at the edges, with moderate foxing. Binding has remained firm. Boards are a little rub worn, slight shelf wear to corners, spine and edges. Corners are a little bumped. Spine ends are mildly crushed. Light tanning to spine and edges.