"Well, I'll take one.
I don't take one for a bribe, but because I can see you're not the sort of man that would sell a book that wasn't worth the money.
I want that book.
And just you keep still about those fire-extinguishers. Between you and me, those are first-class nickel-plated lung-testers, and not fire-extinguishers.
But that doesn't matter.