1962. 18th Edition. 658 pages. Green dust jacket over red cloth. Binding remains firm. Pages are lightly tanned throughout. Stamps to rear free endpaper and pastedown. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Light tanning to spine and edges. Marking to spine and rear panel.