A thorough introduction to the earth sciences discusses the basic principles of geology and presents a range of simple experiments designed to illuminate the processes that have shaped the earth
Sandra Markle is the author of more than two hundred children's books, which have won numerous awards, including Boston Globe-Horn Book Honor Book, IRA/CBC Children's Choice, NSTA/CBC Outstanding Trade Books for Children, NCTE Orbis Pictus Recommended, and ALA Notable Books for Children. She lives in Lakewood Ranch, Florida and frequently travels to schools sharing her program "Sandra Markle's Books Are REAL Adventures."