1958. Tenth Impression. 315 pages. No dust jacket. Green illustrated cloth boards. Black and white illustrations throughout with a colour frontispiece by author. Map illustrated endpapers and pastedowns. Clean pages with mild tanning and visible foxing throughout. Tightly bound with minor cracking to gutter at p.32. Mild droplet staining to text block edges. Text is unaffected. Boards have mild edgewear with corner bumping and mild marking to boards. Noticeable tanning to spine, which has mild crushing and scuffing to ends. Small splits to spine joints with slight scuffing. Book has forward lean.