1964. Eleventh Impression. 272 pages. No dust jacket. Illustrated paper covered boards. Black and white illustrations throughout. Minor foxing to otherwise bright pages. More prominent foxing and tanning to text block edges, pastedowns and free endpapers. Binding remains firm. Boards have minor corner bumping and edgewear with mild sunning and scuffing overall. Spine has heavier sunning with soft crushing to ends. Book has a slight forward lean.