1968. Third Impression. 172 pages. No dust jacket. This is an ex-Library book. Black cloth. Library copy, with expected inserts, stamps and inscriptions. Illustrated by John Dugan. Pages remain bright and clear with minimal tanning and foxing. Binding remains firm. Boards have heavy edge-wear with bumping to corners, crushing to spine ends and rub wear all over. Major tearing to cloth at head and tail of spine. Small splits to joints.