"The Brotherhood" was my favorite book too. It had a lot of info about Casso and Kaplan that I wasn't aware of, I had a hard time putting this book down. I also liked "Gaspipe" a lot despite the errors. Murder Machine and Underboss were great books too, I just hated how they tried to make the rats ( Montiglio and Gravano) out to be sympathetic and heroic characters. The first mafia book I read was "Boss of Bosses" years ago, and from what I remember it was a good read.
The worst I've read are "Double Cross" and "Made Men."
I honestly have over 70-80 True Crime Mafia books and I have never heard of either, would love to purchase them though. I am assuming I would have to do it online though as I go to Barnes and Nobles every Sunday and I have not seen them there yet.
My favorites after "Five Families" are:
Gaspipe- Carlo is terrible at facts though, my goodness.
UnderBoss
Mafia son-about teh scarpa family
The Good Rat- Mob cops and Burt Kaplan book. This is actuially a VERY VERY good read now that I think about it. Alot of court transcripts from the Mob Cops trial from Burt Kaplan, VERY good read.
Mob Cops: Another very good read
Donnie Brasco
Donnie Brasco Unfinished Business
Murder Machine
And one no one has mentioned that is FANTASTIC:
King OF Godfathers: The story of Big Joey Massino by Anthony Destefano.
also another good one no one has mentioned:
The Enforcer: The true story of Tony "the Ant" Spilatro