Four hilarious and moving novels from bestselling, critically acclaimed author, David Walliams, in one box-set! BILLIONAIRE BOY:Joe has a lot of reasons to be happy. About a billion of them, in fact.He has absolutely everything he could possibly want.But there's just one thing he really needs: a friend…AWFUL AUNTIE:Stella Saxby is the sole heir to Saxby Hall. But awful Aunt Alberta and her giant owl will stop at nothing to get it from her. Luckily, Stella has a secret – and slightly spooky – weapon up her sleeve…RATBURGER:Can Zoe keep her beloved pet rat safe from the clutches of the dastardly Burt of Burt's Burgers?THE MIDNIGHT GANG:When Tom gets hit on the head by a cricket ball, he finds himself at Lord Funt Hospital, and is greeted by a terrifying-looking porter. Things go from bad to worse when he meets the wicked matron in charge of the children's ward…But Tom is about to embark on the journey of a lifetime!