THEIR WAY TOOK THEM into a tunnel which sloped for a few hundred yards into the earth, then debouched into a small cavern. Into the far wall of this was set a grilled gateway which, when opened by the girl, revealed—an elevator. Into this she helped Salvation. Chip and Syd, delayed by the same doubt, held back. The girl, noting their hesitation, addressed them directly for the first time. “This way,” she said. “Come on! Quickly!” Chip said suspiciously, “Just a minute, sister. How do we know this isn’t a trick of some kind—” Her eyes flamed electric-blue, and her voice cracked like a whip. “Don’t be a fool! Get in here—and hurry! When he thinks it over he may change his mind. We’re getting away with murder!” It didn’t make sense, but there was nothing to gain by lingering here. The tw

