{"isbn_13": ["9780072997668"], "physical_format": "Paperback", "weight": "2.6 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["McGraw-Hill Humanities/Social Sciences/Languages"], "number_of_pages": 768, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12513134, "edition_name": "4 edition", "isbn_10": ["0072997664"], "publish_date": "July 23, 2004", "key": "/b/OL9261202M", "authors": [{"key": "/a/OL30066A"}, {"key": "/a/OL2633823A"}], "title": "Opening Doors with Free Student CD-ROM", "type": {"key": "/type/edition"}, "subjects": ["Reading Skills", "Language Arts / Linguistics / Literacy", "Language Arts & Disciplines", "Coursepacks", "English", "Language", "Language Arts & Disciplines / Reading Skills", "Literacy"], "physical_dimensions": "8.8 x 7.2 x 1.1 inches", "revision": 1}