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 total of 10,000 copies, which quickly sold out. "The Wonderful Wizard of Oz" sold three million copies by the time it entered the public domain in 1956. The book was published by George M. Hill Company. Its first edition had a printing of 10,000 copies and was sold in advance of the publication date of September 1, 1900. On May 17, 1900, the first copy of the book came off the press; Baum assembled it by hand and presented it to his sister Mary Louise Baum Brewster. The public saw the book for the first time at a book fair