The Unknown Witches of Oz The Unknown Witches of Oz The Unknown Witches of Oz: Locasta and the Three Adepts is a 2000 novel written by Dave Hardenbrook, with illustrations by Kerry Rouleau. As its title indicates, the book is an entry in the long-running series of books about the Land of Oz, written by L. Frank Baum and his successors. The publication of "The Unknown Witches of Oz" was timed to coincide with the centennial of the original Oz book, "The Wonderful Wizard of Oz" (as was also true of Gina Wickwar's "The Hidden Prince of Oz" and Edward Einhorns's "Paradox in Oz"). Hardenbrook's
The Wonderful Wizard of Oz Bobbs-Merrill Company. The editions they published lacked most of the in-text color and color plates of the original. It was not until the book entered the public domain in 1956 that new editions, either with the original color plates, or new illustrations, proliferated. Notable among them are the 1986 Pennyroyal edition illustrated by Barry Moser, which was reprinted by the University of California Press, and the 2000 "Annotated Wizard of Oz" edited by Michael Patrick Hearn, which was published by W.W. Norton and included all the original color illustrations, as well as supplemental artwork by Denslow. Other centennial editions included