Rock balancing is a growing art form that uses ordinary rocks to create startling ephemeral sculptures. Artist Peter Juhl tells about how he discovered the magic that could be worked with just a few stones, and how like-minded balancers around the world have found one another, forming a generous and cohesive community. Using photos from well-known balance artists, he illustrates a sampling of popular styles and techniques. The rocks are kept in place by shape, weight and friction alone: No glue, metal rods, photo manipulation, or other artificial means are used. A comprehensive Why and How...