He looked at the men. They were the same four who had been involved in the former theft—Appleson, Featherton, Morse and Burke. Were there five of them? He recalled the man who had been caught tampering with his boat—the man who had tried to bid on the Arrow at the auction. Where was he?
"Boreck didn't get what he was after," resumed Happy Harry, "and I'm going to spoil his game for him. Say, kid," he went on to Tom, "look in the front part of your boat—where the gasoline tank is."
Tom felt his heart beating fast. At last he felt that he would solve the puzzle. He opened the forward compartment. To his disappointment it seemed as usual. Morse and the others were making a vain effort to silence Happy Harry.
"I don't see anything here," said Tom.
"No, because it's hidden in one of those blocks of wood you use for a brace," continued the man. "Which one it is, Boreck didn't know, so he pulled out two or three, only to be fooled each time. You must have shifted them, kid, from the way they were when we had the boat."
"I did," answered the young inventor, recollecting how he had taken out some of the braces and inserted new ones, then painted the interior of the compartment. "What is in the braces, anyhow?"
