1963. Second Revised Edition. 398 pages. No dust jacket. Blue cloth with gilt lettering. Black and white illustrations throughout. Pages are bright and clear with light tanning to text block edges, pastedowns and free endpapers. Binding remains firm. Boards have minor corner bumping and edgewear with prominent 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.