Perfect for any young reader eager to learn more about his or her world, this is an invaluable addition to any classroom, library, or at-home collection. With stunning artwork and compelling scientific explanation, Bang and Chisholm have brought forth a masterpiece that is critically relevant in this environmentally tumultuous time. The newest book in the award-winning Sunlight Series is an important and beautiful exploration of one of our planet's delicate geological cycles, clearly and simply presented for young readers.