Dare you enter the world of MONSTERS?



The beloved World’s Worst series has captivated millions of readers. You’ve met the world’s worst children, the world’s worst parents, the world’s worst teachers and the world’s worst pets – but are you ready for the world’s worst monsters?


If you don’t like ghosts, ogres, zombies, vampires, aliens, werewolves or mummies, DO NOT READ THIS BOOK.



Laugh along to these ten terrifying tales of marvellous monsters, brought to you by David Walliams.



The World’s Worst Pets was the bestselling children’s book of 2022 (UK TCM Chart, 27 December 2022). David Walliams was most recently UK Children’s number one bestseller with Robodog (TCM Chart, 11 April 2023).


This laugh-out-loud collection solidifies Walliams' status as the last word in bestselling children's juvenile fiction, and secures his work among the great Sunday reads for kids craving New York Times top bestsellers with a delightful twist. Witness the greatness unfold in these pages filled with the most memorable and humorous short tales that teach powerful lessons about friendship. For fans of Jeff Kinney (Diary of a Wimpy Kid), Tom Fletcher (The Creakers), Roald Dahl (Charlie and the Chocolate Factory) and Ben Miller (Adventures of a Christmas Elf) and Shane Devries (The Christmasaurus).