1957. Third and Revised Edition. 215 pages. No dust jacket. Blue cloth with gilt lettering. Bright and clean pages with light tanning to text block edges. Binding is firm throughout with minor thumb-marking. Previous owner's inscription to endpapers. Boards have light shelf-wear with corner bumping. Mild sunning to spine, which has mild crushing and wear to ends. Book has forward lean. Mild scratching and marking to boards.