The 500 Hats of Bartholomew Cubbins is a hardcover book published by Vanguard Press in 1938. This original book club edition features children's tales and fantasy stories by Dr. Seuss, with illustrations bringing the imaginative world to life. The book, set in the United States, showcases the whimsical and entertaining stories that Dr. Seuss is renowned for, making it a valuable addition to any collector's library of children's books.