From Stephanie Calmenson and Magic School Bus author Joanna Cole comes the third story about the adventures of Allie and Amy, two friends who have to save their favorite playground in this silly, fun-to-read Aladdin QUIX chapter book that’s perfect for emerging readers! Best, best friends Amy and Allie do absolutely everything together. But when Allie gets sick, she can't perform their duet at a fundraiser to save the local playground! Will Amy have to sing alone?