1960. 16th Edition, Revised. 342 pages. Pictorial dust jacket over blue cloth. Binding remains firm. Pages have light tanning and foxing throughout. Pencil inscription and sticker to rear pastedown. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Unclipped jacket has moderate edgewear with chips, tears, and creasing. Pencil inscription to front flap. Water marking to rear panel. Wear marks overall.