1967. 3rd edition. 971 pages. Purple pictorial dust jacket over blue cloth. Inscription to front endpaper. Pages are lightly tanned and thumbed at the edges, with light 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. Tanning to spine and edges. The unclipped dust jacket has heavy edge wear, with tears, chips and areas of loss. Tanning to spine and edges.