Have you ever wanted to travel the globe by hopping into a mailbox? Flat Stanley is doing exactly that! In this thrilling adventure, Stanley folds himself up, slides into an envelope, and airmails himself across the world to Japan. His goal is to meet his ultimate hero: the legendary ninja movie star, Oda Nobu. But Stanley gets much more than an autograph! Thanks to his incredibly flat shape, he is fast, sneaky, and able to slide under doors without making a sound. Before he knows it, Stanley is hired as his famous idol's personal ninja bodyguard. You will love following along as Stanley sneaks through bustling Japanese cities. This action-packed chapter book is packed with hilarious surprises. Join Stanley for a fast-paced mystery where being completely flat turns out to be the ultimate ninja superpower!