"The Burro of Angelitos," charming and beautifully illustrated as it is, delightful to children and their adults, is actually a bit of a political statement. In 1930s New Mexico, artists, writers and ethnologists were convinced that the coming of modernity would mean the end of a way of life that they found original and beautiful and unique. Fortunately, the adventures of this independent little burro of the past, in a community that might be one...