The product is a set of 22 encyclopedia volumes from Universal Standard, missing only 17, and illustrated from 1954-1955. These vintage hardcover books cover topics such as American history, illustration, reference, world history, and cultural history. Published by Standard Publishing in the 1950s, these books are intended for adult audiences and feature numbered copies with illustrations. With a size of 6 inches in length and 9 inches in height, these books are a valuable resource for those interested in historical and cultural topics.