McGRAW, Eloise Jarvis. The Forbidden Fountain of Oz by Eloise Jarvis McGraw & Lauren Lynn McGraw. Illustrated by Dick Martin. [Kinderhook, IL]: The International Wizard of Oz Club, Inc. [1980]. 4to, 99pp + [2] advts. Color pictorial paper wrappers. Illustrations in b&w throughout. Minute traces of wear around edges, else a near fine copy. Signed by the author, three-time Newbery Honor Author Eloise Jarvis McGraw.

First edition, having advts. at rear of volume dated 1980. Published nearly 20 years after the publication of their  Merry Go Round in Oz, this wonderful tale focuses on the Forbidden Fountain in the Emerald City (first introduced in Baum’s The Emerald City of Oz) and its magical Water of Oblivion that causes instant amnesia in all who drink it. When Ozma accidentally drinks from the Forbidden Fountain and forgets that she is the true ruler of Oz, a series of breathtaking adventures ensue, and it’s up to Kabumpo to help his friend regain her memory and retake her throne.