“Yes, I am,” Penny said. “Furthermore, I believe he knows what became of Salt’s camera.”

“We can’t prove anything.”

“No, but if he would steal a camera he might also take to swindle in a big way.”

“There’s nothing we can do unless we want to report him to the police.”

“I have a little idea,” Penny confessed. “As soon as we reach Riverview I propose to check the Gables Hotel and learn if any Navy men have registered there. By talking to them, we may get at the truth.”

CHAPTER
12
THE PROFESSOR’S HELPER

Climbing the hill, Penny and Louise sought their parked car. The day had been an interesting one, replete with surprises, and yet another surprise was in store.

As they were ready to drive away, a man came slowly down the road, cut across the Leonard yard and vanished down a path which led toward Blue Hole Lake.

“See that fellow!” Penny exclaimed.

“Why, yes,” agreed Louise, surprised by her chum’s tense manner. “What about him?”