The Marvelous Land of Oz is the sequel to Baum's first novel, The Wonderful Wizard of Oz. The protagonist of the novel is an orphan boy called Tip. For as long as he can remember, Tip has been under the guardianship of a cruel Wicked Witch named Mombi who lives in the northern quadrant of Oz called Gillikin Country. Mombi has always been extremely mean and abusive to Tip. As Mombi is returning, Tip plans to rebel with the help of his friends Jack Pumpkinhead and Scarecrow.