Francesca Simon is universally known for the staggeringly popular Horrid Henry series. These books and CDs have sold over 20 million copies in the UK alone and are published in 27 countries. Horrid Henry and the Abominable Snowman won the Children's Book of the Year award in 2008 at the British Book Awards. She is also the author of Costa-shortlisted The Monstrous Child and Hack and Whack, her first picture book. She lives in North London with her family. Steve May is an animation director and illustrator. Steve has illustrated books by Jeremy Strong, Philip Reeve, Harry Hill and Phil Earle, as well as the Dennis the Menace series. He lives in North London.