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 own reward." After Baum's death in 1919, Baum's publishers delegated the creation of more sequels to Ruth Plumly Thompson who wrote 21. An original "Oz" book was published every Christmas between 1913 and 1942. By 1956, five million copies of the "Oz" books had been published in the English language, while hundreds of thousands had been published in eight foreign languages. "The Wonderful Wizard of Oz" has been adapted to other media numerous times, most famously in "The Wizard of Oz", the 1939 film starring Judy Garland, Ray Bolger, Jack Haley, and Bert Lahr. Until this version, the book had