The unauthorized book about the rap mega producer, Dr. Dre, follows the story of events over the last 20 years of his life.

The unauthorized biography released today, "Rollin' With Dre: An Insider's Tale of the Rise, Fall and Rebirth of West Coast Hip-Hop"..

The new book, written by author Bruce Williams, who was Dr. Dre's right hand man for 20 years, and seasoned writer/journalist Donnell Alexander, not only traces the beginning of the two decade hip-hop culture, but goes deep into the life and times of Dr. Dre including the East Coast/West Coast feud; the murder of Tupac Shakur; and the evolution of Death Row Records. In an exclusive interview, Alexander talks with Williams about the book, his relationship with Dr. Dre plus new insights.