The Wishing Stone #5: Superhero City in Bloomington, MN

Will the stone work in a made up story?
Spenser and his siblings have been tasked with getting the hair from a superhero, but Spenser hasn't found a book about superheroes that he likes. When Jackson suggests they write their own, will it work? And what new adventure awaits the children now?
If your children love The Magic Tree House books, they will love The Wishing Stone series. Laugh along with the children as they dodge meatballs, work with talking animals, and learn the power of friendship.