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, and illustrated in glorious technicolour by Adam Stower. The World's Worst Pets was the bestselling children's book of 2022 (TCM Chart, 27 December 2022). David Walliams was most recently Children's number one bestseller with Robodog (TCM Chart, 11 April 2023).

Millions of young readers have loved the World's Worst Children tales and revelled in the World's Worst Teachers with their delightfully dreadful deeds - now prepare for...THE WORLD'S WORST PARENTS! From the phenomenally bestselling David Walliams and illustrated in glorious colour by the artistic genius, Tony Ross. Are you ready to meet the worst parents ever? Sure, some parents are embarrassing - but they're NOTHING on this lot. These ten tales of the world's most spectacularly silly mums and deliriously daft dads will leave you rocking with laughter. Pinch your nose for Peter Pong, the man with the stinkiest feet in the world... jump out of the way of Harriet Hurry, the fastest mum on two wheels... watch out for Monty Monopolize, the dad who takes all his kids' toys... and oh no, it's Supermum! Brandishing a toilet brush, a mop and a very bad homemade outfit...

Millions of young readers have loved the World's Worst Children tales - now they will revel in this delightfully dreadful collection of the most gruesome grown-ups ever: The World's Worst Teachers. From the phenomenally bestselling David Walliams and illustrated in glorious colour by the artistic genius, Tony Ross.Think your teachers are bad? Wait till you meet this lot. These ten tales of the world's most splendidly sinister teachers will have you running for the school gates. Dr Dread teaches science and is half man, half monster. Watch out for the ghastly Miss Seethe. She is ALWAYS furious - and she's on a detention rampage. And as for Mr Phobe, he's a teacher with a real difference. He is bone-shakingly terrified of. children!Millions of children have loved the World's Worst Children - now they will revel in this delightfully dreadful collection of the most gruesome grown-ups ever, The World's Worst Teachers. Brought to you by number one bestselling author, David Walliams, with every story illustrated in glorious colour by artistic genius, Tony Ross.