{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "weight": "6.4 ounces", "publishers": ["Crabtree Publishing Company"], "number_of_pages": 32, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12718632, "isbn_13": ["9780778714507"], "isbn_10": ["0778714500"], "publish_date": "September 2004", "key": "/b/OL9438185M", "authors": [{"key": "/a/OL1427210A"}], "title": "Metals (Rocks, Minerals, and Resources)", "type": {"key": "/type/edition"}, "subjects": ["Geology & Earth sciences", "Mines and mineral resources", "Juvenile Nonfiction", "Children's Books/Ages 9-12 Science", "Science & Nature - Rocks & Minerals", "Children: Grades 3-4", "Children: Grades 4-6", "Science & Nature - General", "Science & Nature - Earth Sciences", "Science & Nature - Environmental Conservation & Protection", "Juvenile literature", "Metals"], "physical_dimensions": "10.7 x 8.1 x 0.2 inches", "revision": 1}