Sacha Jenkins is a former graffiti writer turned journalist. A one-time music editor at Vibe and senior writer for Spin, he is the co-founder of the seminal hip-hop magazine ego trip as well as the co-author of the New York Times bestseller The Way I Am, an authorized biography of musical icon Eminem. He is the co-author of Piecebook and Piecebook Reloaded (both by Prestel).
David Villorente was the editor of Source magazine's graffiti pages for 12 years, writing under his tag, "Chino." He is the co-author of Mascots & Mugs: The Characters and Cartoons of Subway Graffiti, as well as Piecebook and Piecebook Reloaded (both by Prestel).