"I don't know," said Zeb, who was still confused. But Dorothy, seeing his perplexity, answered: "It's a shaking of the earth. In this quake a big crack opened and we fell through--horse and buggy, and all--and the stones got loose and came down with us." The man with the star regarded her with his calm, expressionless eyes. "The Rain of Stones has done much damage to our city," he said; "and we shall hold you responsible for it unless you can prove your innocence." "How can we do that?" asked the girl. "That I am not prepared to say. It is your affair, not mine. You must go to the House of the Sorcerer, who will soon discover the truth." "Where is the House of the Sorcerer?" the girl enquired. "I will lead you to it. Come!" He turned and walked down the street, and after a moment's hesitation Dorothy caught Eureka in her arms and climbed into the buggy. The boy took his seat beside her and said: "Gid-dap Jim." As the horse ambled along, drawing the buggy, the people of the glass city made way for them and formed a procession in their rear. Slowly they moved down one street and up another, turning first this way and then that, until they came to an open square in the center of which was a big glass palace having a central dome and four tall spires on each corner. 3. The Arrival Of The Wizard The doorway of the glass palace was quite big enough for the horse and buggy to enter, so Zeb drove straight through it and the children found themselves in a lofty hall that was very beautiful. The people at once followed and formed a circle around the sides of the spacious room, leaving the horse and buggy and the man with the star to occupy the center of the hall. "Come to us, oh, Gwig!" called the man, in a loud voice. Instantly a cloud of smoke appeared and rolled over the floor; then it slowly spread and ascended into the dome, disclosing a strange personage seated upon a glass throne just before Jim's nose. He was