{"first_sentence": {"type": "/type/text", "value": "There are signs with numbers on them almost everywhere you look!"}, "physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "weight": "4.8 ounces", "languages": [{"key": "/l/eng"}], "publishers": ["Skills Books"], "number_of_pages": 64, "isbn_13": ["9780439419680"], "id": 12600138, "edition_name": "Workbook edition", "isbn_10": ["0439419689"], "publish_date": "March 1, 2002", "key": "/b/OL9340708M", "authors": [{"key": "/a/OL2703425A"}], "title": "Scholastic Success With Math Workbook Grade 4 (Grades 4)", "type": {"key": "/type/edition"}, "subjects": ["Elementary", "Teaching Methods & Materials - Mathematics", "Teaching Methods & Materials - General", "Education", "Education / Teaching", "Children: Grades 3-4"], "physical_dimensions": "10.7 x 8.6 x 0.2 inches", "revision": 1}