Originally published: New York: Scholastic, 2001.
From the television script "Best friends" by Lois Becker and Mark Stratton. Based on the "Clifford the big red dog" series by Norman Bridwell.
The show-and-tell surprise by Teddy Slater Margulies. ISBN 0439981468. Published by Scholastic in 2002. Publication and catalogue information, links to buy online and reader comments.