The Silver Princess in Oz (1938) is the thirty-second of the Oz books created by L. Frank Baum and his successors, and the eighteenth written by Ruth Plumly Thompson. It was illustrated by John R. Neill. In this story, young King Randy of Regalia (from Thompson's The Purple Prince of Oz) is visited by his old friend, Kabumpo, the Elegant Elephant of Pumperdink. Together, they set out to visit thei...