Seventh Edition. 306 pages. No dust jacket. Black cloth boards with gilt lettering. Contains black and white illustrations. Slight crinkling to gutters however binding remains firm. Pages and illustrations are moderately tanned with noticeable foxing. Heavier tanning to front free endpapers and pastedowns. Pen inscription to front pastedown. Minor loss to front free endpaper. Boards have heavy edge-wear with bumping to corners, crushing to spine ends and rub wear all over. Moderate crushing to spine ends. Gilt lettering is darkened. Boards are warped. Visible wear marks to boards.