{"isbn_13": ["9780072551198"], "last_modified": {"type": "/type/datetime", "value": "2008-09-02 14:27:25.461558"}, "languages": [{"key": "/l/eng"}], "publishers": ["McGraw-Hill/Irwin"], "number_of_pages": 564, "first_sentence": {"type": "/type/text", "value": "Economics is the study of how human beings coordinate their wants and desires, given the decision-making mechanisms, social customs, and political realities of the society."}, "isbn_10": ["0072551194"], "publish_date": "May 23, 2003", "key": "/b/OL7304491M", "authors": [{"key": "/a/OL392961A"}], "title": "Macroeconomics", "type": {"key": "/type/edition"}, "id": 9956044, "revision": 2}