“I imagine we’d cool off all right,” agreed Herb. “I bet it’s mighty cold where those icebergs come from.”

“You said it,” agreed Jimmy, adding briskly: “But now, to get right down to business, when do we eat?”

Since it was then early in the afternoon and they had just finished lunch, the boys fell upon the unfortunate Doughnuts and pommeled him right properly.

“Good gracious, don’t you ever think of anything but eating?” asked Herb. Then, seeing that Jimmy had taken refuge in the pantry, Herb yanked him out with scant ceremony. “If we left you in there loose,” said the latter, by way of explanation, “there wouldn’t be anything left for dinner.”

“Come over here, fellows!” commanded Bob, a sudden queer sound in his voice. He was standing near the door and the boys went quickly to him.

“Look over there beyond those trees. Do you see smoke?”

CHAPTER XIII
WINNING THEIR SPURS

For a moment the Radio Boys stared in the direction of Bob’s pointing finger. They could see nothing out of the ordinary. Yet, even while they told themselves this, the acrid smell of burning leaves and wood wafted to them.

Then suddenly Joe saw what Bob’s still keener eyes had seen. A thin column of smoke, drifting lazily upward.

“Fire!” cried Herb, under his breath, and at the word the boys seemed suddenly stirred to action.