This Is Not a Photo Opportunity: The Street Art of Banksy

Banksy, Britain’s now-legendary “guerilla” street artist, has painted the walls, streets, and bridges of towns and cities throughout the world. Once viewed as vandalism, Banksy’s work is now venerated, collected, and preserved.

Over the course of a decade, Martin Bull has documented dozens of the most important and impressive works by the legendary political artist, most o...