{"physical_format": "Hardcover", "weight": "1.1 pounds", "publishers": ["Gerstenberg"], "number_of_pages": 48, "isbn_13": ["9783806748628"], "isbn_10": ["3806748624"], "publish_date": "August 1, 2001", "key": "/b/OL12932813M", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 20:50:18.033121"}, "title": "Christoph Kolumbus. Entdecker der Neuen Welt. ( Ab 10 J.).", "type": {"key": "/type/edition"}, "id": 17079456, "physical_dimensions": "11.3 x 8.8 x 0.5 inches", "revision": 1}