The Wizard of Oz was an entertainment franchise before franchises were a concept. The original 14-book series by Baum is a rich tapestry of dark fantasy with bizarre characters and settings.

“That is the original wand from ‘Wizard of Oz.’” Indeed, the starry silver wand was first seen held by actress Billie Burke in the 1939 film. But this isn’t the first time Grande has been in awe over ...