Go back in time with No. 1 bestselling author David Walliams for a whizz-bang epic adventure of action, laughter and secret plots - and the extraordinary friendship between a little boy and a huge gorilla that just might save the day... 1940. Britain is at war with Nazi Germany. Eleven-year-old Eric spends his days at the place that makes him most happy: London Zoo. And there's one animal in particular he loves: Gertrude the gorilla. With bombs falling all over London, Eric must rescue Gertrude. Together with his Uncle Sid, a keeper...

Sing your heart out with a whole choir of characters, in the showstopping new picture book from number one bestselling author David Walliams, illustrated by the artistic genius, Tony Ross! There's more than one star of the show... In fact, there's a whole choir of them! Warble the walrus LOVES to sing. Unfortunately, she is not very good at it! And when her atrocious warbling causes an avalanche, the other walruses leave her all alone. But when you SING like no-one is listening, SOMETIMES, they start to hear you... The...