1968. Fifteenth Impression. 192 pages. No dust jacket. Green cloth boards with lettering. Contains black and white illustrations. Clean pages and illustrations with light tanning and mild foxing throughout. Minor tanning to free endpapers due to dust jacket flaps. Pen inscription and stickers to front free endpaper. Colour pencil and pen markings to some illustrations. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Lettering is bright and clear. Minor sunning to spine and edges with crushing to spine ends. Visible wear marks to boards.