Sylvester and the Magic Pebble - S&S Storyhour(book&cassette)
By Steig.
Description
In a moment of fright, Sylvester the donkey asks his magic pebble to turn him into a rock but then can not hold the pebble to wish himself back to normal again. - from Amzon
ISBN(s)
0671671448, 9780671671440