1931. 4th Edition. 552 pages. No dust jacket. Red cloth. Black and white illustrations throughout. Binding remains firm. Pages have light tanning and foxing throughout. Heavier to endpapers and pastedowns. Previous owner's inscriptions to front pastedown and endpaper. Boards have light shelf-wear with corner bumping. Light tanning to spine and edges with crushing to spine ends. Splits to spine ends causing cloth to be frayed.