Hailed as the seminal study of spray can art of the 1970s and 1980s, Aerosol Kingdom explores the origins and aesthetics of graffiti writings. From a vast array of inherited traditions and gritty urban lifestyles, talented and renegade young New Yorkers spawned a culture of their own, a balloon-lettered shout heralding the coming of hip-hop. Though helpless in checking its spreading appeal, city fathers immediately went on the attack and denounced...