CHAPTER XIII
Paul Blum
Frank Hardy reduced the speed of the motorboat, because he realized the dangers that lurked in the fog.
Almost any moment they might crash into another boat in the bay. Even worse, they might be so far out of their course that they would pile up on one of the rocky shores.
The fog was impenetrable. Frank did his best to judge their direction by the waves but this did not help greatly, as there were cross currents and the wind was shifting.
The Sleuth coursed on, feeling its way blindly through the haze that enveloped the bay. Frank peered ahead into the foggy veil.
Joe concluded his ministrations to the stranger, who was now beginning to stir. The man opened his eyes and groaned.
"Have you had enough?" asked Joe.
"Who hit me?"
"You hit your head against the side of the
