{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "subtitle": "Algebra and Number Systems", "weight": "11.2 ounces", "publishers": ["Prentice Hall"], "number_of_pages": 312, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12544206, "isbn_13": ["9780131848689"], "isbn_10": ["0131848682"], "publish_date": "July 22, 2004", "key": "/b/OL9292785M", "authors": [{"key": "/a/OL2653612A"}, {"key": "/a/OL1008792A"}], "title": "Introduction to Mathematical Thinking", "type": {"key": "/type/edition"}, "subjects": ["Algebra", "Number Systems", "Mathematics (General)", "Textbooks", "Science/Mathematics", "Number concept", "Algebra - General", "Mathematics / Advanced", "Advanced", "Algebraic logic", "Mathematics", "Philosophy"], "physical_dimensions": "9.1 x 6.7 x 0.6 inches", "revision": 1}