1965. Revised Edition. 416 pages. Paperback book with pictorial cover. Contains black and white illustrations. Clean pages and illustrations with noticeable tanning and foxing throughout. Pencil markings to first page textblock. Heavy tear to last page textblock. Binding remains firm. Paper covers have moderate edge-wear with slight rubbing to surfaces and curling to corners. Lettering is darkened. Moderate tanning and wear marks to spine and covers.