{"identifiers": {"librarything": ["3327046"]}, "title": "Structure (Discover Science)", "authors": [{"key": "/authors/OL325868A"}], "publish_date": "October 2003", "publishers": ["Chrysalis Education"], "weight": "13.1 ounces", "covers": [5007069], "physical_format": "Hardcover", "subjects": ["Science & Nature - General", "Science & Technology - General", "Children's Books/Ages 9-12 Science", "Children's 9-12 - Science"], "isbn_13": ["9781931983785"], "languages": [{"key": "/languages/eng"}], "isbn_10": ["193198378X"], "oclc_numbers": ["55804207"], "type": {"key": "/type/edition"}, "source_records": ["amazon:193198378X"], "key": "/books/OL9728976M", "number_of_pages": 32, "works": [{"key": "/works/OL2386254W"}], "latest_revision": 7, "revision": 7, "created": {"type": "/type/datetime", "value": "2008-04-30T09:38:13.731961"}, "last_modified": {"type": "/type/datetime", "value": "2026-01-13T08:12:40.625353"}}