1967. 123rd Revised Edition. 444 pages. Dust jacket over blue cloth. Pages are bright and clear with light scuffing and tanning to text block edges. Binding is noticeably loose but pages remain attached. Boards have minor corner bumping and edgewear with mild sunning and scuffing overall. Spine has heavier sunning with mild staining and crushing to ends. Book has a slight forward lean. Unclipped dust jacket with minor rubbing, chipping and tearing to edges. Moderate tanning and scuffing overall.