1960. Fourth Edition. 585 pages. Illustrated dust jacket over grey cloth boards. Gilt lettering. Contains black and white illustrations. Clean pages and illustrations with light tanning and mild foxing throughout. More pronounced to free endpapers and pastedowns. Pen inscription, stickers and tape marks 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 bright and clear. Visible wear and tape marks to boards. Unclipped jacket. Panels and spine have light edgewear with tears and creases. Moderate tape repairs to interior jacket and flaps. Moderate tanning and wear marks to flaps, panels and spine.