Horrid Henry is the main fictional character in a popular series of children's books by Francesca Simon. By December, 2006, Horrid Henry had terrorised his parents, teachers, friends, neighbours and even the Queen in seventeen books, most of which had also been released as hugely popular audio books read by actress Miranda Richardson. As of November, 2006, more than six million Horrid Henry books and audio books in twenty languages had been sold worldwide.