Book excerpt: A three-in-one, updated compilation of Chris Hart's popular books Draw a Circle, Draw a Square, and Draw a Triangle, now complete with a new introduction and templates. The bestselling how-to author breaks down the drawing process into its simplest components, so it's easy and fun for kids to learn. Every child can master these basic shapes, and that's all they need to begin creating mermaids, superheroes, fire-breathing dragons, and a circus full of animals.