Grandude's Green SubmarineBy: Paul McCartney Illustrator: Kathryn Durst Celebrate the fun that grandparents and grandkids can get up to in this action packed undersea adventurea companion picture book to Paul McCartneys #1 New York Times bestseller Hey Grandude. Grandudes inventions are the stuff of legend, and his new green submarine doesnt disappoint. In fact, it flies as well as submerges! Grandude whisks the grandkids off on another adventure, but he and the Chillers soon