1968. 5th Impression, Revised. 61 pages. Paperback book with pictorial cover. Black and white illustrations throughout. Slight cracking to binding, pages remain attached. Pages and illustrations have light tanning and foxing throughout. Previous owner's inscription to first page. Water staining and paper worn away to rear reverse cover. Paper cover has mild edgewear with curling to corners. Light tanning to spine and edges. Water marking and foxing to front cover.