"I had the boys rent me a big estate like up in the Catskills. Big place, nice and quiet. In fact, the last tenants used it for one of these rest sanitariums. You know, rich people with DTs or trying to get a monkey off their back."
"The boys?" Patricia said softly.
He looked at her and grinned again. Crowley was obviously enjoying himself. "I got a few people working for me," he explained.
Dr. Braun blurted, "You fool! You mean you've revealed the existence of the process Pat, Ross and I worked out to a group of ignoramuses?"
Crowley said angrily, "Now look, Doc, let's don't get on that bit. Maybe I'm just a country boy but I'm as smart as the next man. Just because some of you eggheads spend half your life in college don't mean you've got any monopoly on good common sense. I went to the school of hard knocks, understand, and I got plenty of diplomas to prove it. Take it easy on that ignoramus talk."
Patricia said suddenly, "Don's right, Dr. Braun. I think you've badly underestimated him."
Ross snorted sourly at that remark. "We've all underestimated him. Well, I think you'll agree that our friend Don will get no more injections of the invisibility serum."
Crowley chuckled.
They looked at him. Three sinkings of stomach taking place simultaneously.
"Now, you know I thought that might be your altitude...."