From publisher blurb:
This PDF includes the original story "Glinda of Oz," written by Frank Baum, and features additional editing and d20 game statistics designed to help the story read more like a d20 game and to help your d20 game play more like an Oz story. In addition to the complete stat-block and profile for the title character, Glinda the Good, this PDF also includes a full stat-block for the Spider King, a formidable monster that attacks Dorothy and Ozma in the first chapters of the story. Furthermore, d20 game statistics are also presented for three powerful artifacts and several other unique magic items that appear in the story. The Wand of Ozma, the Belt of the Gnome King, and the Book of Records are described with full d20 game statistics along with a few more mundane magic items, such as cans of brains. Rules for cooperative spell casting are also presented along with a demonstration by the characters in the story. Furthermore, this book also features 6 illustrations depicting the characters in action.
Whether you are a fan of Oz, an avid d20 gamer, or both, this book is sure to fill a unique niche in your hobby.