{"physical_format": "Hardcover", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "publishers": ["Penguin U S A"], "type": {"key": "/type/edition"}, "number_of_pages": 28, "id": 14011921, "isbn_13": ["9780721415116"], "isbn_10": ["0721415113"], "publish_date": "December 1992", "key": "/b/OL10535730M", "authors": [{"key": "/a/OL2796126A"}], "title": "What is the Time? (First Steps)", "contributions": ["Lynn N. Grundy (Illustrator)"], "subjects": ["Arithmetic", "Astronomy", "Learning & study skills", "Picture books", "General", "Science"], "revision": 1}