Frank Baum – Ozma of Oz 1907 | First Edition Identification Guide
Ozma of Oz: A Record of Her Adventures with Dorothy Gale of Kansas, Billina the Yellow Hen, the Scarecrow, the Tin Woodman, the Cowardly Lion and the Hungry Tiger; Besides Other Good People Too Numerous to Mention Faithfully Recorded Herein, published on July 30, 1907, was the official third book