"Mr. Snyder writes lyrically, and his research appears to be impeccable: It's hard to imagine that anyone has slipped through his interview net...When Bundini died...Ali was abroad and unable to attend the funeral, but he sent flowers with a card that read: 'You made me the greatest.' Many members of the boxing fraternity, George Foreman and Larry Holmes included, think that Ali wasn't exaggerating. Mr. Snyder's affecting portrait will...