I read it the first day it came out. It's sitting upstairs in my bookshelf.

BTW, on the last CD they interview Winegardner and he says he likes to do another one. This story only went as far as 1962 anyway.

You must be right:

http://da_wizeguy.tripod.com/omerta/id22.html

"Joseph Valachi
In 1963, this contract killer became to first mobster to publicly violate Omert when he turned government witness and told the Senate Permanent Investigations Subcommittee about the inner structure of the Mafia. "

I thought the book was good myself. Not a Puzo, as mentioned before.
But i wanted to read about the lost years between the Godfather and the Godfather 2.
The book does alright explaining what happened.

I thought the movie The Godfather was excellent. I highly recommend the book to read. And i would say its on my top ten books i like the best. And i lean towards non-fiction books as a rule. It has information about characters i thought was worth the read. Plus the book always is always better then even that movie, which is saying something.