Ruth Plumly Thompson (27 July 1891 – 6 April 1976) was an American writer of children's stories, best known for writing many novels placed in Oz, the fictional land of L. Frank Baum's classic children's novel "The Wonderful Wizard of Oz" and its sequels.
Does this next sentence follow, given the preceding text?
The  sequels of Oz were just as popular as the original. 
It's impossible to say