From authors Stephanie Calmenson and Magic School Bus author Joanna Cole, comes the second story about the adventures of Allie and Amy, two friends who have a true-blue friendship in this silly, fun-to-read Aladdin QUIX chapter book that's perfect for emerging readers! Best, best, best friends Amy and Allie do absolutely everything together. But a new girl has moved to their neighborhood, and she has only one extra ticket for the most exciting concert ever. Which friend will get to go? Allie or Amy?