1960. Third Edition. 269 pages. No dust jacket. This is an ex-Library book. Paper covered boards. Library copy, with expected inserts and inscriptions. Clean pages with light tanning and foxing throughout. Tightly bound with faint thumb-marking throughout. Mild stain to p.125. Boards have light shelf-wear with corner bumping. Moderate sunning to spine, which has mild crushing and wear to ends. Book has forward lean. Boards are mildly warped.