Jack?s Grandpa? *wears his slippers to the supermarket *serves up Spam ? la Custard for dinner *and often doesn?t remember Jack?s name But he can still take to the skies in a speeding Spitfire and save the day? An exquisite portrait of the bond between a small boy and his beloved Grandpa ? this book takes readers on an incredible journey with Spitfires over London and Great Escapes through the city in a high octane adventure full of comedy and heart.