"Both door and window open in the bargain?" asked the other; at which
Jack looked puzzled.

"Of course; though that wouldn't matter at all; for any fellow could turn
the knob, and walk in," he replied.

"But the door was open, just like a plain invitation to enter, should
anybody think of going up to see--say that again, please," continued
Paul.

"Well, I do say it again, though I can't understand why you should make
that a point worth mentioning. Still, I have confidence in you, Paul. If
anybody can get at the root of my trouble it's going to be you, old
fellow."

"I hope you prove a true prophet. As for myself I'm not saying anything
just yet, one way or another," smiled Paul.

"Yes, but I really believe that you've found out something that gives you
a pointer, Paul. Your face tells me that. You're a wonder about following
a trail in the woods. And I believe you see light in this darkness around
me!" and Jack looked eagerly into the face of his chum as he said this.

"All I'm going to confess is that I believe I'm on the trail, and that
it seems to be getting warmer the further I go. Just hold your horses
a little while longer, Jack, and perhaps I may be able to tell you
something."

"The way you smile gives me new courage, old fellow. Oh! I will be so