{"languages": [{"key": "/l/eng"}], "physical_format": "Hardcover", "weight": "1.5 pounds", "publishers": ["Lorenz Books Childrens"], "number_of_pages": 64, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12812591, "isbn_13": ["9780754806561"], "isbn_10": ["0754806561"], "publish_date": "May 25, 2001", "key": "/b/OL9516282M", "authors": [{"key": "/a/OL2760976A"}], "title": "Ancient Mesopotamia (Step Into)", "type": {"key": "/type/edition"}, "subjects": ["The ancient Near East", "BCE to c 500 CE", "History - Ancient", "Juvenile Nonfiction", "Children's 9-12 - History - General", "Children's Books/Ages 9-12 Nonfiction", "Children: Grades 3-4", "Mesopotamia", "History - Asia", "History - Middle East", "Civilization", "Civilization, Assyro-Babylonian", "History", "History / General", "Iraq", "Juvenile literature", "To 634"], "physical_dimensions": "11.9 x 9.3 x 0.5 inches", "revision": 1}