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 "Dorothy and the Wizard in Oz"): It was published on June 18, 1908 and reunites Dorothy with the humbug Wizard from "The Wonderful Wizard of Oz" (1900).
Relevant evidence: Yes