“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.

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CHAPTER XXIV—IN GREAT PERIL

The young inventor could scarcely believe the good luck that had so unexpectedly come to him and his companions. No sooner was Tom able to move freely about than Bill Renshaw performed the same service for Mr. Jenks and the others, cautioning them to be quiet as he awakened them, and cut the ropes.

“Bless my circulation!” exclaimed Mr. Damon, in a hoarse whisper. “How did you ever get here. I'd given ourselves up for lost.”

“Oh, I came in off the mountain, as there's a big storm due,” explained the man. “There was no need of me playing the haunt in daytime, anyhow. I went to the cave, found you and your things gone, and I surmised that you might have walked into some trap.”

“We did,” admitted Mr. Jenks, grimly.

“Well, I hunted around until I found you,” went on Bill. “This mountain is honeycombed with caves, all opening from the large one, I know them better than these fellows do, so I could explore freely, and keep out of their sight. They didn't know that there was a second entrance to this place, but I did, and I made for it, when I couldn't find you in some of the other caves where I looked. And, sure enough, here you were.”

“Well, we can't thank you enough,” said Mr. Parker. “But you say there is a big storm coming?”