{"publishers": ["Wilga"], "languages": [{"key": "/languages/pol"}], "number_of_pages": 320, "isbn_13": ["9788328038349"], "covers": [8114583], "created": {"type": "/type/datetime", "value": "2017-12-30T21:40:44.649421"}, "physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2020-08-22T09:09:04.469451"}, "publish_date": "2017", "key": "/books/OL26412232M", "title": "Tajemnica mroku", "publish_places": ["Warszawa, Poland"], "works": [{"key": "/works/OL17823651W"}], "type": {"key": "/type/edition"}, "latest_revision": 4, "physical_dimensions": "20,2 x 13,5 x  centimeters", "revision": 4}