Question: The Red Jinn, later known as Jinnicky, is one of Ruth Plumly Thompson's most frequently occurring characters in her Oz books, he was reintroduced, drawn, and given the name Jinnicky in "The Purple Prince of Oz"; he also appeared in which follow-up, the thirty-second of the Oz books created by L. Frank Baum and his successors, and the eighteenth written by Ruth Plumly Thompson?
Sentence (from "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.
Relevant evidence: Yes