“I got him!” Bob cried. “Now to switch on the light.”
During the next few minutes there was a wild scramble in an attempt to find the concealed switch. At last, when it became apparent that it could not be found, Joe bent his efforts on finding the stairway, at the head of which Joe knew there was a switch.
A thrill of hope passed through him as he felt his foot touch the top step. Now there would be light, the youth thought.
Meanwhile, the others were still vainly searching for the concealed switch.
“I give it up,” sighed Mr. Holton, straightening out hopelessly. “Our only chance now is to find the switch at the head of the stairs.”
The words were barely out of his mouth when suddenly the light came on.
Bob uttered a wild cry of surprise.
“For the love of Pete!” he exclaimed. “I’ve knocked out the policeman!”