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150
The House on the Cliff
for a few days. I'm geting a bit nervous."
"What does the big boss think about it?"
"That's his idea too. Here—wait till I switch on that light."
There was a click, and suddenly the chamber was flooded with light. The cave had been wired for electricity.
The Hardy boys crouched in their hiding place. Their hearts were pounding madly.
Would they be discovered?
Footsteps slowly approached the boxes behind which they were concealed!
