Francesca Simon spent her childhood in California, and then went to Yale and Oxford Universities to study medieval history and literature. She now lives in London with her family. She has written over 50 books and won THE CHILDREN'S BOOK OF THE YEAR in 2008 at the GALAXY BRITISH BOOK AWARDS for HORRID HENRY AND THE ABOMINABLE SNOWMAN. Visit Francesca's website at www.francescasimon.com and keep up-to-date with Horrid Henry at www.horridhenry.co.uk. Follow her on Twitter @Simon_Francesca Tony Ross is one of Britain's best-known illustrators, with many picture books to his name, including the bestselling Little Princess stories (Andersen). He has also produced the line drawings for many fiction titles, for authors such as David Walliams, Jeanne Willis, Enid Blyton, Astrid Lindgren, and many more. He lives in Wales.