The Theatre School at DePaul University Presents: The Witches, by Roald Dahl. Adapted by David Wood and directed by Ernie Nolan. Roald Dahl’s beloved children’s tale of a boy and his grandmother who find themselves in wild adventures while putting a stop to the witches at work. By scheming to bring down the Grand High Witch and her troop, Boy and his grandmother discover the power of using mind over matter and the strength of love.