1968. No edition remarks. 505 pages. Illustrated paper cover. Clean pages with light tanning and mild foxing throughout. More pronounced to free endpapers and half title page. Ownership plate stuck to reverse front cover. Pen markings to half title page. Binding remains firm. Paper covers have moderate edge-wear with slight rubbing to surfaces and curling to corners. Visible wear and scuffing marks to covers. Price stickers to covers.