Chapter 18 ON THE TRAIL

"What's he up to now?" asked Bert of Jack, as the two stood in the room, looking at one another.

"Give up. We'll have to wait and see. It's something important though, to judge by Tom's actions."

"Yes, but an empty bottle! What can he hope to do with that for a clew?"

"I don't know. Leave it to Tom."

The latter came back in a little whi