After an explanation of how the magic umbrella works, the two children, joined by Cap'n Bill, decide to take a trip to a nearby island; they call it "Sky island," because it looks like it's "halfway in the sky"—but the umbrella takes them to a different place entirely, a literal island in the sky.
(Tags : Sky Island L. Frank Baum & Eric Shanower Audiobook, L. Frank Baum & Eric Shanower Audio CD )