1960. Third Edition. 213 pages. Illustrated dust jacket over green cloth boards. Gilt lettering. Clean pages with light tanning and mild foxing throughout. More pronounced to free endpaper and pastedowns. Front free endpaper is missing. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Gilt lettering is bright and clear. Minor wear marks to boards. Unclipped jacket. Panels and spine have light edgewear with tears and creases. Minor loss to spine and edges. Heavy tanning and wear marks to flaps, panels and spine.