The Wizard of Oz

The Oz Series Volume One: The Wonderful Wizard of Oz, The Marvelous Land of Oz, and Ozma of Oz

The Boy Fortune Hunters in Yucatan

The Oz Series Volume Two: Dorothy and the Wizard in Oz, The Road to Oz, and The Emerald City of Oz

The Oz Series Volume Three: The Patchwork Girl of Oz, Tik-Tok of Oz, and Rinkitink in Oz

The Wizard of Oz

The Oz Series Volume Four: The Lost Princess of Oz, The Tin Woodman of Oz, The Magic of Oz, and Glinda of Oz

Sky Island

Sam Steele's Adventures in Panama

The Wizard of Oz

The Boy Fortune Hunters in the South Seas

The Wonderful Wizard of Oz

Glinda of Oz

The Wizard of Oz: And Other Wonderful Books of Oz: The Emerald City of Oz and Glinda of Oz (Penguin Classics Deluxe Edition)

Oz, the Complete Collection: Oz, the Complete Collection, Volume 1; Oz, the Complete Collection, Volume 2; Oz, the Complete Collection, Volume 3; Oz, the Complete Collection, Volume 4; Oz, the Complete Collection, Volume 5