1961. No edition remarks. 180 pages. No dust jacket. This is an ex-Library book. Laminated paper covered boards. Library copy, with expected inserts and inscriptions. Clean pages with light tanning and foxing throughout. Tightly bound with mild thumb-marking throughout. Clipped p.11. Notable scuffing to front endpaper. Boards have light edgewear with corner crushing and notable marking to boards. Moderate tanning all over. Book has forward lean. Boards are mildly warped.