1964. 6th Printing. 160 pages. Paperback book with pictorial cover. Contains black and white illustrations. Moderate tanning, with light foxing and marking to pages. Heavy tanning to text block edges. Cracking to front hinge, with inscriptions to title page. Paper cover has moderate edge-wear with light rubbing and creasing. Small tears and chipping, with heavy tanning and marking overall. Book is slightly curled. Sticker to front surface.