The most well-known graffiti artist today is Banksy. No one knows who he really is, but his graffiti has appeared in many cities around the world. Sometimes, his work is protected. Other times, city officials mark him as a vandal. Readers are asked to make their own decision about Banksy and other graffiti artists. Both sides of the controversy are introduced for readers to contemplate. Full-color examples of graffiti--both intentionally artistic and simple tagging--give readers a chance to see that art to some people isn't art to everyone.