Young readers will love the interactive lift-the-flap element as they join Mr. ZIP for a very windy adventure! Mr. ZIP and his trusty sidekick B. Franklin start their day in the mail room. We accompany Mr. ZIP as he makes his deliveries, then suddenly, a huge gust of wind blows the letters away. Mr. ZIP and B. Franklin have to track them all down. Will they be able to find every last letter and deliver them all before the end of the day? Make way! Mr. ZIP is here to save the day!