or it may be Rad himself, or some one after his chickens. Don't worry. Mr. Jackson and I can attend to it. You go back to bed, father."
Tom spoke with such assurance that Mr. Swift believed him, and retired to his room, just as the engineer, partly dressed, came hurrying out in response to Tom's summons. He had his rifle, and, had the invalid inventor seen that, he surely would have worried more.
"Come on!" whispered Tom. "Don't make any noise. I don't want to excite my father."
"What was it?" asked the engineer.
"I don't know. Burglar alarm went off, that's all I can say until we get to the shed."
Together the two left the house softly, and soon were hurrying toward the aeroplane shed.
"Look!" exclaimed Mr. Jackson. "Didn't you see a light just then, Tom?"
"Where?"
"By the side window of the shed?"
"No, I didn't notice it! Oh, yes! There it is! Some one is in there! If it's Andy Foger, I'll have him arrested, sure!"
"Maybe we can't catch him."
"That's so. Andy is a pretty slippery customer. Say, Mr. Jackson, you go around and get Eradicate, and have him bring a club. We can't trust him with a gun. Tell him to get at the back
