"That's what I can't find out. Muchmore says he is in Europe, and I often write for him letters addressed to his uncle, which are directed to different cities in France and Germany. But Muchmore always mails them himself. I don't know where Mr. Stockton is. If I did I'd send him word of what is going on in his house, and what I suspect his nephew is up to."
"But what about this queer message?" asked Bert.
"I'm sure I don't know what to say. There is some mystery about it. I will try and get on the track of it, but to do that I must get up on the top floor, and that is a place Muchmore carefully guards. Perhaps you can help me."
"I'm afraid not, but I'll try."
"Do," urged the stenographer. "I'll see you again, and—"
At that instant the fire alarm began ringing, and Bert rushed back to the barn.
CHAPTER XXIII
A BRAVE RESCUE
"Run her out, boys!" cried Bert. "It's the box at Needham's factory. If the factory gets going it'll be the worst fire we ever had in this town!"
Needham's factory was one where boxes for various purposes were made, and it was filled with inflammable material. The young firemen needed no urging. They sprang to their places. The bell on the engine sent out its warning note, as they wheeled the machine from the barn. The reel clicked as the long rope was unwound.