Maureen Johnson: 'Young adult fiction changes lives in a positive way'

Maureen Johnson: 'Young adult fiction changes lives in a positive way'. As the first of The Hunger Games films hits cinemas, the author of the Suite Scarlett and Shades of London series discusses the boom in young adult fiction, which brought success for Harry Potter and Twilight, and now The Hunger Games trilogy. She answers critics of the genre and argues that teen fiction has much to offer youn