First edition hardcover copy of Grandpa in Oz by Ruth Plumly Thompson. Illustrated by John R. Neill. Published by Reilly & Lee Company, 1924. Inscribed to interior by previous owner. Wear to cover, spine, and pages consistent with exposure. Measures approx. 7 x 9.25 inches. Grampa in Oz is the eighteenth in the series of Oz books created by L. Frank Baum and his successors, and the fourth written by Ruth Plumly Thompson. Ruth Plumly Thompson was an American writer of childrens stories, best known for writing many novels placed in Oz, the fictional land of L. Frank Baums classic childrens novel The Wonderful Wizard of Oz and its sequels. Ruth Plumly Thompson, l Frank Baum, wizard of oz, childrens book, childrens literature, rare book, first edition book, collectible book, American author, American literature, library accessories, home library, 10 bin