Chapter 15 - "The Discovery of Oz, the Terrible" * Chapter 16 - "The Magic Art of the Great Humbug" * Chapter 17 - "How the Balloon was Launched" * Dorothy and her friends return to the Emerald City to claim their rewards from the Great Oz, only to discover that he is perhaps not all he seems. * The Wonderful Wizard of Oz, written by L Frank Baum, is in the public domain worldwide. This is a Willow Audiobook read by Stephen Alexander. Cover illustration by Benjamin Callery. Original music by Stephen Alexander.