'Grandpa's Great Escape' is set in London, and David has collected some of his favourite fun facts! Check them out here.
WATCH: David explains why his auntie is not awful
WATCH: David reads an extract from Awful Auntie
WATCH: David Walliams reads an extract from Grandpa's Great Escape
WATCH: The Mr Stink Trailer as shown on BBC. Brought to life by Hugh Bonneville, Sheridan Smith and Johnny Vegas