sentences:  In "Barnstormer", Dorothy has made only one visit to Oz; when Hank Stover arrives, the Scarecrow still rules the Emerald City, just as at the end of Baum's first Oz book.Since Farmer wrote for adults rather than children, there are elements of sex and violence in "Barnstormer" that are not typical of the Oz literature.As the book's subtitle indicates, Farmer indulges a rationalizing and explanatory bent