Stunning photographs by a National Geographic photographer invite children to look around and find a world of circles, triangles, squares, and more. Beautifully photographed, a diverse group of children explore the unexpected shapes of everyday sights and objects. "Eggs, grapes, lemons and leaves. Jellybeans, seeds, sunglasses, and balloons." They're all ovals! Shelley Rotner, an accomplished photographer and a former kindergarten...