1968. Fourth Edition; Reprint. 687 pages. No dust jacket. Yellow cloth. Bright and clean pages with light tanning to text block edges. Binding is firm throughout with minor thumb-marking. Notable tape staining to pastedowns and endpapers. Previous owner's inscription to front endpaper. Mild droplet staining to text block edges. Boards have light shelf-wear with corner bumping. Mild tanning to spine, which has mild crushing and wear to ends. Mild scratching and marking to boards. Books has a backward lean. Boards are notably warped.