In what year was the follow up to "The Purple Prince of Oz released?
Jinnicky the Red Jinn:  He was reintroduced, drawn, and given the name Jinnicky in "The Purple Prince of Oz"; he also appeared in the follow-up, "The Silver Princess in Oz". The Silver Princess in Oz: 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.
1938