Hollywood, 1938: As soon as she learns that M-G-M is adapting her late husband's masterpiece for the screen, seventy-seven-year-old Maud Gage Baum sets about trying to finagle her way onto the set. Nineteen years after Frank's passing, Maud is the only person who can help the producers stay true to the spirit of the book-because she's the only one left who knows its secrets. But the moment she hears Judy Garland rehearsing the first notes of "Over...