Sure does, it also makes reference to several characters that we see in the movies but dont get to know very well, in the book there characteristics and pasts are mentioned.
Chris: "He could be out there stalking us right now..." -Paulie: "With what...his cock!
Tony Soprano : You're looking good. Looking better.
Junior Soprano: Tony, if you're gonna lie to me, tell me there's a broad in the car waiting to tongue my balls.
Tony Soprano : Hey, you want that, it's a phone call away.
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