I guess if I stun a few of them with the electric bullets that will answer."
Poddington (for later the white captive did prove to be the missing circus man) ran on, and close behind him came two of the giants, taking long strides. Tom aimed his electric rifle at the foremost and pulled the trigger. There was no sound, but the big man crumpled up and fell, rolling over and over. With a yell of rage his companion pressed on, but a moment later, he, too, went down, and then the others, who had started in pursuit of their recent captive, turned back.
"I thought that would fix 'em," murmured Tom gleefully.
In another five seconds Poddington was inside the hut, gasping from his run. He was very thin and pale, and the sudden exertion had been too much for him.
"Water—water!" he gasped, and Mr. Damon gave him some. He sank on one of the skincovered benches, and his half-exhausted breath slowly came back to him.
"Boys," he gasped, "I don't know who you are, but thank heaven you came just in time. I couldn't have stood it much longer. I heard you yell something about Preston. Is it possible he sent you to find me?"
"Partly that and partly to get a giant," ex-
