Step outside. Let's find designs— / branching, cracking, spirals, lines. / Search the earth, the seas, the air. / Patterns, patterns everywhere. Look around and discover patterns in the natural world! You might see them in leaf veins, in coral reefs, in sand dunes, and in many other places. Rhyming verse is accompanied by stunning photographs and brief sidebars that explain how these different patterns form. "Intriguing encouragement to consider the intersection of mathematics and nature."—Kirkus Reviews