{"first_publish_date": "1967", "description": {"type": "/type/text", "value": "Introduces the problem of air pollution throughout the world. Suggests methods of purifying the atmosphere and alternatives to present imprudent pollution practices."}, "last_modified": {"type": "/type/datetime", "value": "2020-10-04T16:47:14.473267"}, "title": "Dangerous Air", "created": {"type": "/type/datetime", "value": "2009-12-10T03:44:12.740745"}, "covers": [9713005], "lc_classifications": ["TD883.13 .K3"], "latest_revision": 4, "key": "/works/OL3508070W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL586538A"}}], "dewey_number": ["614/.712"], "type": {"key": "/type/work"}, "subjects": ["Air", "Pollution", "Juvenile literature"], "revision": 4}