of these little things. Think of me, and the terrible trouble I'm in at being found out."
"Doesn't anyone else know you're a humbug?" asked Dorothy.
"No one knows it but you four—and myself," replied Oz. "I have fooled everyone so long that I thought I should never be found out. It was a great mistake my ever letting you into the Throne Room. Usually I will not see even my subjects, and so they believe I am something terrible."
"But, I don't understand," said Dorothy, in bewilderment. "How was it that you appeared to me as a great Head?"
"That was one of my tricks," answered Oz. "Step this way, please, and I will tell you all about it."
He led the way to a small chamber in the rear of the Throne Room, and they all followed him. He pointed to one corner, in which lay the Great Head, made out of many thicknesses of paper, and with a carefully painted face.
"This I hung from the ceiling by a wire," said Oz; "I stood behind the screen and pulled a thread, to make the eyes move and the mouth open."
"But how about the voice?" she enquired.
"Oh, I am a ventriloquist," said the little man, "and I can throw the sound of my voice wherever I wish; so that you thought it was coming out of the Head. Here are
