The Magic Mrs. Piggle Wiggle is a musical based on the Mrs. Piggle Wiggle books by Betty MacDonald. The books, music & lyrics are by Chad Henry.
The musical was first adapted by Seattle Children's Theatre in 1990. It has since been performed at the Children's Theatre Company, Minneapolis, San Diego Junior Theatre, at Studio East and many other regional theatres.
References
The Magic Mrs. Piggle Wiggle Wikipedia(Text) CC BY-SA