Will the stone work in a made up book? Spenser and his siblings have been tasked with getting the hair from a superhero, but Spenser hasn't liked any of the books he's read. Will the stone work if he writes his own? And what new adventures await the three children? If your kids love The Magic Tree House books, they will love The Wishing Stone series. Grab this book today and laugh along as the children dodge meatballs, save talking animals, and discover the power of friendship.