Total UK sales across the Horrid Henry range now over eight million copies Tried and tested in the classroom - Horrid Henry is a top favourite with children. Illustrated by Tony Ross. Rights sold in 23 languages.

Francesca Simon spent her childhood on the beach in California, and then went to Yale and Oxford Universities to study medieval history and literature. She now lives in London with her English husband, Martin, and their son, Joshua. When she is not writing books she is doing theatre and restaurant reviews or chasing after her Tibetan Spaniel, Shanti. Tony Ross is one of the most popular and successful of all children's illustrators, with many picture books to his name as well as line drawings for many fiction titles.