Lexington, MA: Ginn and Company, (1972.) dj. Hardcover first edition - A Magic Circle Book, written for beginning readers. Charming story of a Mexican boy called Elfredo and his friendship with his donkey, Polo - when other village boys are teasing the donkey, Elfredo claims that Polo is magic and can turn milk into butter. Appealing duotone illustrations by Gregorio Prestopino throughout. 16 pp. ISBN: 0-663229790.