{"physical_format": "Hardcover", "weight": "1.5 pounds", "publishers": ["Usborne Publishing Ltd"], "number_of_pages": 64, "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "id": 10794207, "isbn_13": ["9780746042021"], "isbn_10": ["0746042027"], "publish_date": "October 25, 2002", "key": "/b/OL7958435M", "authors": [{"key": "/a/OL2822174A"}], "title": "First Encyclopedia of Science (Usborne First Encyclopedias)", "type": {"key": "/type/edition"}, "subjects": ["General science", "Reference works", "Science", "Children: Grades 3-4"], "physical_dimensions": "11.1 x 8.6 x 0.6 inches", "revision": 1}