No one succeeds better than Roy A. Gallant in providing young readers with engaging explanations of sometimes difficult scientific concepts. In EarthWorks, this author described by School Library Journal as one of the deans of American science writers for children takes his readers through time in a marvelous exploration of planet Earth. From the sea of air to the ocean's depths, he eloquently speculates on the earth's beginnings, reflects on its evolution, and examines its current condition. Incorporating the latest scientific insights and discoveries, he details Earth's basic components and rich resources as well as the threats to its ultimate well-being. Full-color photographs and in-depth diagrams, detailed sidebars, glossary, further reading and website suggestions help shed light on a wide array of topics fascinating to would-be scientists of any age.