{"physical_format": "Paperback", "weight": "3.5 ounces", "publishers": ["Multiple Births Foundation"], "number_of_pages": 29, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 20:50:18.033121"}, "id": 16144279, "isbn_13": ["9781902068084"], "isbn_10": ["1902068084"], "publish_date": "1999", "key": "/b/OL12260950M", "authors": [{"key": "/a/OL3858697A"}], "title": "Feeding Twins, Triplets and More", "type": {"key": "/type/edition"}, "subjects": ["Pregnancy, birth & baby care"], "physical_dimensions": "8 x 5.7 x 0.2 inches", "revision": 1}