There was a buzz and then a heavy voice came over the 'phone.

"Hullo!"

"Is that you, Vapp?"

"Yes. Is this Mr. Adams?"

"Yes. Are you particularly busy?"

"Not if there is any money afloat," and a chuckle came over the wire.

"I want you to do some shadowing for me, I don't know how long it will take. It's a man—a commercial traveler. You can pick out your own make-up."

"When am I on?"

"Right away."

"Want me up there first?"