1969. Twelfth Impression. 63 pages. This is an ex-Library book. Dust jacket covered in removable plastic wrapper over paper covered boards. Library copy, with expected inserts and inscriptions. Clean pages with mild tanning throughout. Tightly bound with faint thumb-marking throughout. Light staining to rear pages. Boards are assumed in good condition as are covered with taped on jacket. Book has forward lean. Boards are notably warped. Unclipped jacket has light edgewear with tears and creasing. Mild tanning to spine.