1949. 3rd Edition, 3rd Printing. 522 pages. No dust jacket. Brown cloth. Contains black and white in-text illustrations. Pages are lightly tanned and foxed throughout. Some light creasing to pages. Previous owner's inscription to front free endpaper and rear pastedown. Binding remains firm. Boards have moderate edge wear with bumping to corners and rubbing to surfaces. Soft crushing to spine ends. Moderate tanning to spine and edges. Ring shaped brown staining to front board. Scuffing to spine.