the mercy of a completely unexplained phenomenon—unless Bud Gregory somehow solved the problem. Murfree's problem was to get him to work on it. "I want you," said Murfree, "to work out a gadget to save some lives." CHAPTER III Dusty Answer Bud Gregory puffed expansively. They were seated before that unspeakable shanty Bud Gregory had pre-empted and which was now his home. They had dined on bracken-greens and grouse—out of season—and sea-trout with cornbread and bacon-drippings and wild fennel and a monstrous brew which Bud Gregory fondly considered to be coffee. Now they looked out over an inlet of Puget Sound, with sunset colorings making the sky to westward a glory of rose and gold. "Shucks, Mr. Murfree," said Bud Gregory happily. "I ain't no doctor. I just fix cars. An' now I got me ten dollars a day comin' in rain or shine an' I don't have to bother doin' that!" Murfree smoked. "It'll pay you a lot more than ten dollars a day." "What do I want with more'n that?" asked Bud Gregory. He beamed. "My ol' woman don't need more'n five-six dollars a week for corn-meal an' hawg-meat an' I got a shotgun. "I'll git the boys some twenty-twos so's they can knock over squirrels an' take out for some beer now an' then an' the rest'll buy me a new car in no time. I don't need no fancy car. I c'n make most anything run if it's got four wheels." Murfree blew a smoke-ring. "I'm asking you to save some human lives," he repeated. "If they got money to pay me," said Bud Gregory comfortably, "they got money to pay doctors that know all about that kinda stuff. You tell 'em to go to a fella that makes a business o' doctorin'." "Only," said Murfree, "you have to be the doctor. They'll die of radioactivity burns. Know what I mean?" Bud Gregory shook his head. "You know the—hunks of stuff that metal is made