剧情简介：Sylvester the donkey finds a magic pebble and unthinkingly wishes himself a rock when frightened by a lion. Although safe from the lion, Sylvester cannot hold the pebble to wish himself into a donkey again. Caldecott Medal winner. Full-color illustrations.
作者：Steig, William
出版社：Simon & Schuster Books for Young Reader
ISBN：9780808523826
