Hey Grandude! is a picture book for children written by Paul McCartney and illustrated by Kathryn Durst. It was published by Puffin Books, an imprint of Penguin Random House, in September 2019. An audio version of the book with an instrumental soundtrack was also released. McCartney has six grandchildren.
Meet Grandude, an intrepid explorer grandfather, and his four grandkids. With his magical colourful postcards, Grandude whisks his grandchildren off on incredible adventures. Join them as they ride flying fish, dodge stampedes, and escape avalanches...