1973. Third Edition. 132 pages. No dust jacket. Illustrated paper covered boards with lettering. Contains black and white illustrations. Clean pages and illustrations with light tanning and mild foxing throughout. More pronounced to free endpapers and pastedowns. Pencil markings to front free endpaper. Thumb-marking present. Binding remains firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Lettering is darkened. Moderate tanning to spine and edges with crushing to spine ends. Visible wear marks to boards.