1961. Third Edition. 502 pages. Illustrated dust jacket over blue cloth boards. Gilt lettering. Clean pages with light tanning and mild foxing throughout. More pronounced to free endpapers and pastedowns. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Gilt lettering is darkened. Minor wear marks to boards. Unclipped jacket. Panels and spine have light edgewear with tears and creases. Heavy tear to front panel. Visible wear marks to spine and panels.