What number is the series of "Oz" books does the City of Thi appear in?
City of Thi The City of Thi is a fictional city in the Winkie Country of the Land of Oz, from the Oz Books by L. Frank Baum. Thi appears in the book "The Lost Princess of Oz".
Merry Go Round in Oz Merry Go Round in Oz (1963) is the fortieth in the series of Oz books created by L. Frank Baum and his successors. It was written by Eloise Jarvis McGraw and Lauren McGraw Wagner (her married name was dropped from reprinted editions after the marriage ended). It was illustrated by Dick Martin.