Sylvester and the magic pebble
By: by William Steig.
Publisher: Prentice-Hall Books for Young Readers
Published: 1980
Place of publication: New York
Language: eng
Number of pages: 30
Subjects: Donkeys -- Juvenile fiction.
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.
Notes: Treehouse paperbacks.

Originally published by Windmill Books.