"Award-winning illustrator Gabriel Campanario first introduced his approach to drawing in The Art of Urban Sketching, a showcase of more than 500 sketches and drawing tips shared by more than 100 urban sketchers around the world. Now, he drills down into specific challenges of making sketches on location, rain or shine, quickly or slowly, and the most suitable techniques for every situation, in The Urban Sketching Handbook series. It's easy to overlook...