{"isbn_13": ["9780817928926"], "physical_format": "Paperback", "weight": "13.6 ounces", "languages": [{"key": "/l/eng"}], "publishers": ["Hoover Institution Press"], "number_of_pages": 192, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12604964, "first_sentence": {"type": "/type/text", "value": "Human capital refers to the knowledge, information, ideas, skills, and health of individuals."}, "isbn_10": ["0817928928"], "publish_date": "February 2002", "key": "/b/OL9343591M", "authors": [{"key": "/a/OL384852A"}], "title": "Education in the Twenty-First Century", "type": {"key": "/type/edition"}, "subjects": ["United States", "Educational Policy & Reform", "Education", "Education / Teaching", "Educational planning", "Administration - General", "Economic aspects", "Education and state"], "physical_dimensions": "9.1 x 5.9 x 0.4 inches", "revision": 1}