The eighth hilarious novel from the Number One bestselling author, David Walliams. }Grandpa's Great Escape{ tells of the heartwarming bond between a small boy and his beloved Grandpa and their fun-filled adventures through London. With beautiful artwork by award-winning illustrator, Tony Ross. Walliams' children's books have now sold over 11 million copies in the UK alone. 'A pleasure to read. A beguilingly funny, original and thought-provoking tale... hilarious', Amanda Craig }The Times{.