isn't it I?" he whimpered. "Am I dreaming and think I'm awake, or am I awake and still dreaming? I know what I'll do; I'll bite my tail, and if I feel it I'll know that I must be awake."
So Bobby took the tip of his tail in his mouth and bit it gently. Then he wondered if he really did feel it or just seemed to feel it. So he bit it again, and this time he bit harder.
"Ouch!" cried Bobby. "That hurt. I must be awake. I'm sure I'm awake. But if I'm awake, what dreadful thing is happening? Is there a real giant outside pounding on my tree?"
Then Bobby noticed something else. With every blow his house seemed to tremble. At first he thought he imagined it, but when he put his hands against the wall, he felt it tremble. It gave him a horrid sinking feeling inside. He was sure now that he was
