Long-time associates and friends Ari Marcopoulous and Ad Rock (aka Adam Horovitz) of the Beastie Boys have had an extensive relationship leading back to the early 90s. Ari Marcopoulous spent some pivotal years documenting the popular group in the mid 90s. Ad Rock - Adam Horovitz is a book which features Ad Rock through the lens of Macropoulous both as a friend and insider, essentially capturing the raw essence of Adam Horovitz. Available now through Nieves.