1969. U.S. Edition. 144 pages. No dust jacket. This is an ex-Library book. Green cloth with gilt lettering. Ex-library copy, with expected inserts and inscriptions. Pages are bright and clear with light tanning to text block edges. Some minor thumb marking to free endpapers. Binding remains firm. Boards have minor corner bumping and edgewear with mild staining and scuffing overall. Spine has heavier tanning with soft crushing to ends.