"Oh, I'll tell you all about that some other time," said Sam. "Just for the moment I want to sit quite still and think. Are you comfortable? Fine! Then off we go." The birds in the trees fringing the road stirred and twittered grumpily as the noise of the engine disturbed their slumbers. But, if they had known it, they were in luck. At any rate, the worst had not befallen them, for Sam was too happy to sing. THE END