Hovering at the top of any list of the greatest tennis players of all time, Roger Federer has often made it look astonishingly easy through the decades. The New York Times's Christopher Clarey was there for his first Grand Slam match, and has met with him all over the world in the ensuing years. Drawing upon interviews with the man himself, his support team, and such rivals as Rafael Nadal, Novak Djokovic, and Andy Roddick, Clarey creates a portrait of a player whose talent is matched by his grit.