1954. Sixth Edition. 148 pages. Dust jacket over beige cloth. Clean pages with mild tanning and foxing throughout. Tightly bound with faint thumb-marking throughout. Notable scuffing and inscription to front endpaper. Boards have light shelf-wear with corner bumping. Mild sunning to spine and edges. Books has a backward lean. Mild crushing to spine ends. Unclipped jacket has light edgewear with tears and creasing. Notable foxing. Light rubbing and marking all over.