1957. Fourth Edition. 338 pages. Dust jacket over yellow cloth. Black and white illustrations throughout. Pages are mildly tanned, notable to endpapers. Mild cracking to gutters, however binding remains firm. Previous owner's inscription to front pastedown. Boards have light shelf-wear with corner bumping. Mild sunning to spine and edges. Mild crushing to spine ends. Book has forward lean. Boards are mildly warped. Clipped jacket has light edgewear with tears and creasing. Moderate tanning to spine. Mild rubbing and marking all over. Sticker to rear panel.