Explore and Learn The Natural World Author:Southwestern Thoroughly researched and spectacularly illustrated with both original art and photography, this 6 volume set is designed to teach children through exciting activity-based learning. Within each book, an eductional topic is introduced through projects, stories, photographs, illustrations, and special features such as quizzes and word boxes. All... more » projects are illustrated with photographs of children actually doing the projectes, adding more fun to the step-by-step instructions.« less