Before 'Wicked,' before Hollywood's 'Wizard of Oz," there were the 'Oz' books of L. Frank Baum. Here's why they're worth a ...

"The Wizard of Oz" is America's favorite children's book. And among critics and librarians, it was once the most despised.

There are some pretty major differences between L. Frank Baum's 'The Wonderful Wizard of Oz' and the iconic MGM musical.

With "Wicked" the movie being an adaptation of the stage musical which is an adaptation of the book, things get confusing.