Stephen Cole is an English author of children's books and science fiction. Among his published works are the Doctor Who novels Ten Little Aliens, The Feast of the Drowned and The Art of Destruction. His successful series for children include Astrosaurs, Cows in Action and The Slime Squad.
Justin Richards has written for stage and screen as well as writing novels and graphic novels. He has also co-written several action thrillers for older children with the acknowledged master of the genre Jack Higgins. Justin acts as Creative Consultant to BBC BooksтАЩ range of Doctor Who titles, as well as writing quite a few himself.