Sky Island: Being the Further Exciting Adventures of Trot and Cap'n Bill After Their Visit to the Sea Fairies

"Sky Island" by L. Frank Baum is a children's fantasy novel published in 1912. When Trot and Cap'n Bill use a magic umbrella to journey with Button-Bright, they land on a floating island divided between two opposing realms: the cruel blue side ruled by the tyrannical Boolooroo, and the friendlier pink side governed by modest laws. Trapped between these worlds, the travelers must navigate bizarre customs, escape imprisonment, and recover their stolen umbrella to return home. (This is an automatically generated summary.)