As the witty and passionate chief art critic for New York magazine, Jerry Saltz is often approached by artists, both amateur and professional, asking him for advice: How do I get started? How do I get better? Is what I'm doing even art at all? They want to know, in short, how to be an artist. Now, expanding on his viral cover story for New York magazine - and drawing on his decades of immersion in the art world - Saltz has the answers.