Used in Acceptable condition. 1971 Plastic coated Paperback edition. The spine has heavy crimping and creasing along its length. The plastic coating is coming away from the card on the front cover at the top and bottom of the right side. Corners are bumped and frayed. Creasing to rear left bottom corner. Black marking to bottom edge of the page block. Pages have browned with age. Previous owners name in ink to the introduction page. Previous owners name erased on the half title page. Light crease to first ten pages. Foxing to inside of rear cover. Shelf wear to covers. 

Not an ex-library book. Please see the pictures for closer detail.