1964. Third Edition. 382 pages. Illustrated dust jacket over green cloth with gilt lettering. Black and white illustrations throughout. Pages are bright and clear with light foxing and tanning to text block edges, pastedowns and free endpapers. Noticeable looseness to binding but pages remain attached. Boards have minor corner bumping and edgewear with mild staining, tanning and scuffing overall. Spine has light tanning with soft crushing to ends. Lettering remains bright and clear. Book has a slight forward lean. Unclipped dust jacket with moderate rubbing, chipping and tearing to edges. Moderate tanning and scuffing overall.