Sylvester and the magic pebble /
by William Steig.
- New York : Windmill, c1969.
- (32) p. : ill ; 29 cm.
Booklist. Caldecott Medal/Honor. Library Journal. Booklist, March 1998. Bulletin (Center for Children's books), November 2005. Horn Book, September 2001. Kirkus Review, October 2005. Library Journal, October 2006.
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.