1965. Twelfth Edition. 513 pages. No dust jacket. Black cloth with black and white illustrated plates to the rear. Minor tanning to pages with heavier tanning to pastedowns and endpapers. Notable foxing to text block and slight dog-eared pages throughout. Small tears to last two pages as well. Boards have heavy rubbing and moderate bumping to corners. Soft crushing to spine ends and heavy sunning to spine as well.