Question: What is the publishing date of this novel by Ruth Plumly Thompson, originally written in 1959, and featuring Jinnicky the Red Jinn as a principal pre-existing character?
Sentence (from "Jinnicky the Red Jinn"): He was first introduced in "Jack Pumpkinhead of Oz" as a mysterious figure who educates Jack Pumpkinhead on the use of the Pirate Sack.
Relevant evidence: No