"The Emerald City of Oz" by L. Frank Baum is a novel published in 1910. Dorothy Gale brings her Aunt Em and Uncle Henry to live permanently in Oz after financial ruin threatens their Kansas farm. While Dorothy tours her relatives through the magical land, the vengeful Nome King assembles a fearsome alliance to invade Oz and reclaim his stolen magic belt. This double-plot adventure explores the utopian society of Oz while building toward a climactic confrontation that will determine the land's future.