The product is a complete set of The Delphian Course, consisting of editions 1-4 and 9, 10, 11, 12, 14, and 15, published in 1928-1929. These hardcover books, printed in English, cover topics in art and history. The Delphian Society authors and publishers provide a unique perspective on these subjects with vintage paperback illustrations, making this set a valuable addition to any collector's library. In great shape for the year!!