{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "subtitle": "Energy and Matter (Mission 21 Kids 4 Technology)", "weight": "4.8 ounces", "publishers": ["Delmar Pub"], "number_of_pages": 32, "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "id": 11067261, "isbn_13": ["9780827341036"], "isbn_10": ["0827341032"], "publish_date": "May 1991", "key": "/b/OL8170672M", "authors": [{"key": "/a/OL602272A"}], "title": "Kids and Technology", "type": {"key": "/type/edition"}, "subjects": ["Teaching Methods & Materials - Science & Technology", "Juvenile Applied Sciences", "Children: Grades 1-2", "Force and energy", "Management of land & natural resources", "Power generation & distribution", "Juvenile literature", "Matter", "Technology"], "physical_dimensions": "10.2 x 8.2 x 0.2 inches", "revision": 1}