This 1960 World Book Encyclopedia set, complete with yearbooks from 1962-1966 and 1968-1971, is a must-have for any collector or enthusiast of reference materials. The hardcover binding ensures durability and longevity, while the comprehensive coverage of various topics makes it a valuable addition to any library. Whether you're interested in history, science, or literature, this set has something for you. Perfect for display or research purposes, these books are sure to impress.