"Ha! Ha! Ho! Ho!" laughed Sam Snedecker. "Listen to him! He'll blow the place up! I'd like to see you do it! You can't get loose in the first place, and you haven't anything to blow it up with in the second. I'd like to see you do it; hey, fellers?"
"Sure," came the answering chorus.
"Would you?" asked Tom quickly. "Then watch. Stand back if you don't want to get hurt, and remember that I gave you a chance to let me go!"
Tom made a rapid motion with the hand he had gotten loose. He threw something toward the blazing fire, which was now burning well. Something white sailed through the air, and fell amid the hot embers.
There was a moment's pause, and then a blinding flash of blue fire lighted up the woods, and a dull rumble, as when gun-powder is lighted in the open, followed. A great cloud of white smoke arose, as the vivid blue glare died away, and it seemed as if a great wind swept over the place. Several of the masked lads were knocked down by the explosion, and when the rumble died away, and deep blackness succeeded the intense blue light, there came cries of pain and terror. The fire had been scattered, and extinguished by the explosion which Tom,
