{"isbn_13": ["9780827345171"], "physical_format": "Paperback", "weight": "13.6 ounces", "languages": [{"key": "/l/eng"}], "publishers": ["Cengage Delmar Learning"], "number_of_pages": 240, "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "id": 11067212, "edition_name": "1 edition", "isbn_10": ["0827345178"], "publish_date": "September 1, 1991", "key": "/b/OL8170687M", "authors": [{"key": "/a/OL2883328A"}], "title": "Montesori Controversy", "type": {"key": "/type/edition"}, "subjects": ["Philosophy of education", "Theory Of Education", "Individualized Instruction", "Education / Teaching", "Education", "Elementary", "Teaching Methods & Materials - Classroom Planning", "Education / Elementary", "Preschool & Kindergarten", "Montessori method of education"], "physical_dimensions": "9.1 x 7.3 x 0.7 inches", "revision": 1}