Garth Nix is an award-winning and New York Times bestselling author whose beloved Old Kingdom fantasy series begins with Sabriel. His many other novels include Shade's Children and A Confusion of Princes, and he has written such children's series as The Seventh Tower and the Keys to the Kingdom, as well as co-writing TroubleTwisters and Have Sword, Will Travel with Sean Williams. His work has been translated into forty-two languages and has sold more than seven million copies.