1948. Eleventh Edition. 954 pages. No dust jacket. Green cloth boards with 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 inscriptions to front pastedown. Moderate water staining to fore edges textblock. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Gilt lettering is darkened. Visible wear marks to boards.