The World’s Worst Children, a collection of ten short stories about five beastly boys and five gruesome girls. Meet TV super-fan, Sofia Sofa, so stuck to the sofa that she’s turning into one; Dribbling Drew, a boy whose drool gets him into trouble; and Blubbering Bertha, a girl who bawls and tells terrible tales. Plus expect an appearance from everyone’s favourite character: Raj! The World’s Worst Children may be Walliams’ most devious, mischievous and devilishly delightful book yet.