1965. Sixth Impression. 256 pages. No dust jacket. Green cloth with yellow lettering. Contains black and white illustrations. Binding remains firm.Pages remain bright with minimal tanning. Pen inscription to reverse of half-title page.Noticeable tanning and foxing to text block edges. Boards have heavy edge-wear with substantial bumping to corners, crushing to spine ends and rub wear all over. Substantial water and ink staining to front and rear board. Mild crushing to spine ends causing cloth to fray.