Question: What book reunites Dorothy with the humbug Wizard from "The Wonderful Wizard of Oz" (1900), and had one of the earliest film adaptations?
Sentence (from "The Wiz"): The Wiz: The Super Soul Musical "Wonderful Wizard of Oz" is a musical with music and lyrics by Charlie Smalls (and others) and book by William F. Brown.
Relevant evidence: No