Fourth Edition, Revised. 140 pages. No dust jacket. Green cloth. Contains black and white illustrations throughout. Pages are moderately tanned and foxed throughout. Thumb-marking present. Visible creasing to gutter. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Notable crushing to spine ends. Heavy tanning to spine and edges. Bubbling to front board. Black and brown marks to boards. Textblock is shaky.