Grandpa lives in a Maximum Security Twighlight Zone, and his Grandson attempts to set him free. Jack’s Grandpa… wears his slippers to the supermarket serves up tinned tongue 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