1963. Revised Edition. 149 pages. No dust jacket. This is an ex-Library book. Blue cloth with gilt lettering. Library copy, with expected inserts, stamps and inscriptions. Pages are moderately tanned and foxed throughout. Binding is weakened. Boards have heavy edge-wear with bumping to corners, crushing to spine ends and rub wear all over. Staining to boards. Gilt lettering is dulled. Small splits to upper and lower joints.