"I know it like a book," replied Joe. "I've been over it many a time. I could travel it in the dark. It's as level as a table until you get to Hebron. Just beyond that there's a steep hill that will give the car something to do. But Hank will give me a machine that can climb it, and, besides, it will be just about daylight by the time we get there. It's a cinch that we won't have any trouble. I'll bet a hat--what's the matter, Jim?"