{"physical_format": "Paperback", "weight": "1.6 ounces", "publishers": ["Dog Eared Pub"], "number_of_pages": 28, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 20:50:18.033121"}, "id": 15225914, "isbn_13": ["9780941042000"], "isbn_10": ["0941042006"], "publish_date": "June 1, 1977", "key": "/b/OL11540124M", "authors": [{"key": "/a/OL1398586A"}, {"key": "/a/OL2733298A"}], "title": "Northwest Trek Book", "type": {"key": "/type/edition"}, "subjects": ["Activity Books", "Animals", "Animals - Zoos", "Children's 9-12", "Northwest Trek", "Northwest Trek Park (Wash.)", "Science & Nature", "Science & Technology - Zoology", "Juvenile Nonfiction / Science & Technology / Zoology", "Juvenile Nonfiction / Animals / Zoos"], "physical_dimensions": "10.5 x 8.1 x 0.2 inches", "revision": 1}