L. Frank Baum 
The Illustrated Emerald City of Oz [EPUB ebook] 

In the Emerald City of Oz Dorothy, her Aunt Em, and Uncle Henry move from Kansas to Oz. Unknown to them the wicked Nome King is plotting to conquer Oz and enslave its people. Dorothy and her friends go on a grand tour of Oz that is packed with excitement and adventure. While they are gone the Nome King sets his elaborate plan to conquer Oz into motion. Will Dorothy and her friends return to the Emerald City in time to prevent the Nome King and his hordes of warriors from conquering Oz? This lavishly illustrated edition has more than one hundred illustrations by John R. Neill.