He has contributed to a number of books, including All Music Guide to Rock: The Definitive Guide to Rock, Pop, and Soul, and All Music Guide to Hip-Hop: The Definitive Guide to Rap & Hip-Hop.
Podílel se též na mnoha knihách, včetně All Music Guide to Rock: The Definitive Guide to Rock, Pop, and Soul nebo All Music Guide to Hip-Hop: The Definitive Guide to Rap & Hip-Hop.