Is there a secret visual language all around us? What’s so special about the shape of the Great Pyramid? Why is there something so sexy about circles? How many ways can you tile the plane? Lavishly illustrated by the author, this enchanting small introduction to one of the oldest and most widely-used ancient traditions on Earth will forever change the way you look at a triangle, arch, window, fabric repeat, ceramic pattern, graphic design, painting, spiral, or flower.