I don't think the one on amazon is the one that aired on HBO a few years ago, that had both 1 and 2 in chronological order. That one was called "The Godfather Saga".

"...the successful annihilation of organized crime's subculture in America would rock the 'legitimate' world's foundation, which would ultimately force fundamental social changes and redistributions of wealth and power in this country. Meyer Lansky's dream was to bond the two worlds together so that one could not survive without the other." - Dan E. Moldea