In the continued series after Baum's death in 1919, Jack Pumpkinhead had to wait until the 23rd Oz book to get a book named after himself along with the starring role. "Jack Pumpkinhead of Oz" was written by Ruth Plumly Thompson, the writer who continued the Oz books after the death of L. Frank Baum. In the book, Peter (the little-boy baseball pitcher from Philadelphia), while reminiscing about his previous visit to Oz, suddenly finds himself landing right into Jack Pumpkinhead's front yard in the Winkie Country. Peter and Jack set off together for the Emerald City, but take a wrong turn, ending up traveling through the Quadling Country.