Lester Del Rey,
No Strings Attached
“ Henry had been thinking while he listened. It had sounded like a reasonable explanation on the whole, except for the bit about Apalon's disintegrating the witch. Apparently as long as a man wasn't too unreasonable, there was a certain usefulness to having such friends on call. "What about the price for your help? I mean—well, about souls...."Alféar twitched his ears disgustedly. "What the deuce would I do with your soul, Henry? Eat it? Wear it? Don't be a shnook!""Well, then—well, I've heard about wishes that were granted, but they all had a trick attached. ”
