L.A. Graffiti Black BookThis collection of unique works by 151 Los Angeles graffiti and tattoo artists represents an unprecedented collaboration across the city's diverse artistic landscape. Many graffiti artists carry sketchbooks, called black books, and they ask crew members and others whose work they admire to inscribe their books with lettering or drawings. A few years ago, the Getty Research Institute invited artists, including Angst, Axis, Big Sleeps, Chaz, Cre8,