["JUVENILE NONFICTION \/ Science & Nature \/ Earth Sciences \/ Rocks & Minerals","CHILDREN'S NATURE","Earth Sciences","JUVENILE","JUVENILE NONFICTION","JUVENILE NONFICTION \/ Science & Nature \/ Earth Sciences \/ Rocks & Minerals","Juvenile Grades 3-4 Ages 8-9","Juvenile Non-Fiction","Monograph Series, any","National Geographic","Rocks & Minerals","Science & Nature","United States"]