1927. Third Edition. 1088 pages. No dust jacket. Brown cloth boards with gilt lettering. Contains black and white illustrations and folded tables. Hinges are cracked with exposed netting. Slight crinkling to gutters. Binding is slightly loose. Pages are moderately tanned with noticeable foxing. Pen inscription to front free endpaper. Boards have heavy edge-wear with bumping to corners, crushing to spine ends and rub wear all over. Slight crushing and fraying to spine ends. Gilt lettering is darkened. Moderate tanning to spine and edges. Visible wear marks to boards.