1954. 6th edition. 188 pages. No dust jacket. Black cloth. Black & white illustrations. Pages are moderately tanned and foxed throughout. Binding is shaky, however pages remain fully attached. Pen inscription to front pastedown. Some pages are dog-earred. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Spine has crushing to both ends. Book has forward lean. Boards are bowed.