{"isbn_13": ["9781586101350"], "physical_format": "Paperback", "subtitle": "Grade 4-6 (Science Skill Builders (Learning Horizons))", "weight": "3.2 ounces", "languages": [{"key": "/l/eng"}], "publishers": ["Learning Horizons"], "number_of_pages": 32, "id": 16214878, "edition_name": "Workbook edition", "isbn_10": ["1586101358"], "publish_date": "March 2000", "key": "/b/OL12317970M", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 20:50:18.033121"}, "title": "World Geography", "type": {"key": "/type/edition"}, "subjects": ["People & Places - General", "Social Science - General", "Mathematics - General", "Juvenile Nonfiction", "Children's Books/Ages 9-12 Nonfiction", "Children: Grades 4-6"], "physical_dimensions": "10.6 x 8.3 x 0.2 inches", "revision": 1}