Jack felt himself holding his breath. At length Ben said, “I don’t mean to be a killjoy or anything, but maybe that millipede knows something we don’t.” “I agree,” Jack said, gesturing to the passage ahead. “Let’s keep going.” They made their way up the passage in the direction the millipede had departed. Soon the tunnel began to narrow sharply and eventually came to a dead end. Jack could tell that the bizarre sound was coming from behind them, which gave little comfort since they now appeared to be trapped. “Okay,” Rudy said, “anybody have any other ideas?” Ben was busy inspecting the walls of the passage. “Just keep your shirt on. Let’s see if there’s another way out of here.” “It’s still getting closer,” Jack said. He could hear the click-clack sounds more distinctly now, but they weren’t just getting louder; they had multiplied, like several people were off in the dark tapping rocks together. Ben had apparently realized the same thing. “I think there’s more than one thing making that noise.”
