Diane Duane is the author of more then twenty science fiction and fantasy novels, including four other books in the Young Wizards series. Four of her Star Trek novels have been New York Times bestsellers. Ms. Duane lives in rural Ireland.

Young wizards Nita and Kit face their most terrifying challenge yet: Nitas little sister, Dairine. Not only is Dairine far too smart for a ten-year-old, she also has recently become a wizard, and worse yet, a wizard with almost limitless power. When Dairines computerized wizards manual glibly sends her off on her novice adventureher OrdealKit and Nita end up chasing her across the galaxy, trying to catch up with Dairine before she gets into trouble so deep that not even her brains can rescue her.