u003cpu003eDavid Walliams, hailed as the heir to Roald Dahl by The Spectator, burst onto the American scene with the New York Times bestseller Demon Dentist. Now the UKs #1 bestselling childrens author is back with this high-flying adventure about a boy and his grandfather, perfect for fans of Jeff Kinney and Rachel Renee Russell.u003c/pu003eu003cpu003eGrandpa is Jacks favorite person in the world. It doesnt matter that he wears his slippers to the supermarket, serves Spam a la Custard for dinner, and often doesnt remember Jacks name. But then Grandpa starts to believe hes back in World War II, when he was a Spitfire fighter pilot, and hes sent to live in an old folks home run by the sinister Matron Swine. Now its up to Jack to help Grandpa plot a daring escape!u003c/pu003e
