Oz, the Complete Collection Volume 2 bind-up

In Dorothy and the Wizard in Oz, Dorothy and the Wizard visit the centre of the Earth, where people are vegetables, glass houses grow and Oz characters reappear. Eventually they return to the Emerald City but will they stay? In The Road to Oz, Dorothy sets out on another adventure with some new friends like the Shaggy Man, Button-Bright, and Polychrome, and some old ones like the Scarecrow and the Tin Woodman. But can they reach the Emerald City in time for Ozma's birthday? In The Emerald City of Oz, Dorothy, her Uncle Henry, and Aunt Em are going to live in the Emerald City. They set out to explore the land of Oz, with the help of Dorothy's friends, but must rush home again when they discover that the Nome King is busy gathering an army for an invasion of Oz. Will they be able to stop the invasion?