1966. Fourth Impression. 272 pages. No dust jacket, Folio edition with slipcase. Green cloth with gilt lettering and grey slipcase. Black and white illustrations throughout. Pages are bright and clear with light tanning to text block edges. Binding remains firm. Boards have minor corner bumping and edgewear with subtle sunning and scuffing overall. Spine has very mild tanning. Slipcase is moderately scuffed and torn with visible splitting to joints.