The winning chefs prepare their courses at the banquet - a celebration of almost 200 years of British children's literature. Guests include Jacqueline Wilson, Cressida Cowell, Anthony Horowitz, Greg James, Francesca Simon and Charlie Higson, along with other leading children's authors and illustrators, as well as aspiring young writers, presenter Susan Calmanand judges Andi Oliver, Matthew Fort and Oliver Peyton.