Its publication soon after the 1906 San Francisco earthquake got readers instantly hooked on the story in which Dorothy and her friends sink into the bowels of the earth, following a devastating earthquake in California. Dorothy and the Wizard in Oz is the fourth in the series of books written by American children's author L. Frank Baum. In this novel, Dorothy visits her Uncle Henry in his California ranch. She, her friends, her cousins and a few pets are traveling in a buggy when the earth ...