Diane Duane is the author of The Door Into Fire, which was nominated for the World Science Fiction Society’s John W. Campbell Award for best new science fiction/fantasy writer two years in a row. Duane has also published more than thirty novels, numerous short stories, and various comics and computer games, several of which appeared on the New York Times bestseller list. She is best known for her continuing Young Wizards series of young adult fantasy novels about the New York–based teenage wizards Nita Callahan and Kit Rodriguez. The 1983 novel So You Want to Be a Wizard and its six sequels have been published in seven other languages.

Peter Morwood is a fantasy author and screenwriter. Some of his best-known works include the Tales of Old Russia series and the Horse Lords series.