New York Times bestselling Australian writer Garth Nix worked as a book publicist, editor, marketing consultant, public relations man, and literary agent before launching the best-selling "Old Kingdom" series, which consists of Sabriel, Lirael: Daughter of the
Clayr, Abhorsen, and The Creature in the Case. His other books include the "Seventh Tower" series, consisting of The Fall, Castle, Aenir, Above the Veil, Into Battle, and The Violet Keystone, the "Keys to the Kingdom" series, consisting of Mister Monday, Grim Tuesday, Drowned Wednesday, Sir Thursday, Lady Friday, Superior Saturday, and Lord Sunday, as well as stand-alone novels such as The Ragwitch and Shade's Children. His short fiction has been collected in Across the Wall: Tales of the Old Kingdom and Beyond. His most recent book are two novels written with Sean Williams, Troubletwisters: The Mystery and Troubletwisters: The Monster, a new standalone novel, A Confusion of Princes, and a new collection, Sir Hereward and Master Fitz: Three Adventures. Born in Melbourne, he now lives in Sydney, Australia.