Agree with some of the other negative reviews. This book basically just listed some known statistics without much depth or new information, It spent chapters and chapters try to persuade reader(with some lame statistics) that Federer is still the best player. Total waste of money/time.
I started reading some tennis book since my daughter began training for tennis. I myself love the game but am not a fan of any player -- too old to be a fan. The first book "Open" by Agassi is fantastic, and you've got to admit the guy is very honest in depicting himself. The book "Rafa" is even better, it's one of the most inspiring book I've ever read. I made "Rafa" a must read book for my daughter.
For this book, if you are an 18 year old girl who's a die-hard fan for Federer, and you are a bit heart-broken at Federer's recent performance, well, this book might cheer you up. Otherwise, turn around, don't waste your money like I did.