"He was different. None of this fake camaraderie or an apologetic 'You don't know me, but. . . .' He just introduced himself and asked, explaining he'd already told someone else I'd do the signing. Most folks would have then tried to play on my sympathies, begging me to get them off the hook. Wolf just said, 'If you're willing, great, if not I'll have to think of something else.' "