The Wizard of Oz by Lynam Frank Baum Chapter 17 Page 4

“But there is another way to make it float, which is to fill it with hot air. Hot air isn't as good as gas, for if the air should get cold the balloon would come down in the desert, and we should be lost.”

“We!” exclaimed the girl. “Are you going with me?”

“Yes, of course,” replied Oz. “I am tired of being such a humbug. If I should go out of this Palace my people would soon discover I am not a Wizard, and then they would be vexed with me for having deceived them. So I have to stay shut up in these rooms all day, and it gets tiresome. I'd much rather go back to Kansas with you and be in a circus again.”

“I shall be glad to have your company,” said Dorothy.