had told them that he had a very important communication to make to them—one regarding how the summer was to be spent. So far no arrangements had been made for the vacation, and the brothers were anxious to know "what was in the wind," as Tom expressed it.
"Maybe we are to prepare for college," said Dick.
"Perhaps we are to go on another trip to Africa?" added Sam.
"Or start on a hunt for the North Pole," put in Tom. "That would be just the thing for this hot weather."
"I can tell you one thing," went on Dick. "Whatever father has on his mind is of a serious nature. It is no mere outing for pleasure."
"I know that," answered Sam. "I could see it by the look on his face."
"Well, we'll know all about it by this time to morrow," said Tom. "I hope it is some trip—I love to travel," and his brothers nodded their heads in approval.
To those who have read any of the twelve previous volumes in this "Rover Boys Series" the three brothers will need no special introduction. For the benefit of new readers allow me to state that Dick was the oldest, fun-loving Tom next, and Sam the youngest. They were the sons of
