Author David Walliams has accused Anthony Horowitz of dumbing down . Claims Walliams fails to challenge young readers with unambitious books . Horowitz argues authors should not be afraid of 'powerful stories or ideas '
Author Anthony Horowitz has accused David Walliams of dumbing down . Claims Walliams fails to challenge young readers with unambitious books . Horowitz argues authors should not be afraid of 'powerful stories or ideas '