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BROKEN BONDS
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first he thought it was one of the diamond-making gang, who had sneaked in to rob him.
"Here! What are you up to?" exclaimed Tom.
"Quiet!" cautioned a voice. "Are you all here?"
"All of us—yes. But who are you?"
"Easy—keep quiet, Tom Swift! I'm Bill Renshaw! I've been searching all over for you, since I got back to your cave and found it empty. Now I'm going to free you. I got in here by a secret entrance. Wait, I'll cut your ropes." There was a slight sound, and an instant later Tom was freed from his bonds.
