{"isbn_13": ["9780521699839"], "physical_format": "Paperback", "weight": "7 ounces", "languages": [{"key": "/l/eng"}], "publishers": ["Cambridge University Press"], "number_of_pages": 64, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 13888451, "edition_name": "1 edition", "isbn_10": ["0521699835"], "publish_date": "November 26, 2007", "key": "/b/OL10436758M", "authors": [{"key": "/a/OL2759306A"}, {"key": "/a/OL1019076A"}], "title": "Primary Colours Level 4 Activity Book (Primary Colours)", "type": {"key": "/type/edition"}, "subjects": ["ELT: Learning Material & Coursework", "Foreign Language Study", "Foreign Language - Dictionaries / Phrase Books", "English", "Language", "English As A Second Language", "Foreign Language Study / English as a Second Language"], "physical_dimensions": "10.6 x 8.4 x 0.3 inches", "revision": 1}