内容简介：
Will you do me a favor, Bumpus? "Sure I will, Giraffe; what is it you want now?" "Then tell me who that is talking to our scoutmaster, Dr. Philander Hobbs; because, you know, I've just come in after a scout ahead, and first thing saw was a stranger among the patrol boys." "Oh You mean that thin chap who came along in his buggy a bit ago, chasing after us all the way from that town where we had a bite of lunch? Why, I understand he's the son of the telegraph operator there. You know we made arrangements with him to try and get a message to us, if one came along." "Whew then I hope he ain't fetched a message that'll spoil all our fun, just when we've got to the last leg of the journey, with the boat only a few miles further on That'd be the limit Bumpus. You don't know anything about it, I reckon?"