{"publishers": ["McGraw-Hill Education"], "physical_format": "Paperback", "source_records": ["amazon:0074703293:o-5:2967442250:203357", "amazon:0074703293:6:2608111465:204019"], "title": "How Radio Signals Work", "number_of_pages": 208, "created": {"type": "/type/datetime", "value": "2008-04-30T09:38:13.731961"}, "isbn_13": ["9780074703298"], "authors": [{"key": "/a/OL2634948A"}], "isbn_10": ["0074703293"], "publish_date": "August 1997", "key": "/b/OL9262947M", "last_modified": {"type": "/type/datetime", "value": "2009-10-25T23:30:02.448986"}, "latest_revision": 2, "subjects": ["Radio technology", "Communications engineering / telecommunications"], "works": [{"key": "/works/OL281304W"}], "type": {"key": "/type/edition"}, "id": 12513185, "first_sentence": {"type": "/type/text", "value": "In the list of subatomic particles, electrons are the smallest and lightest (and often the fastest) of those that are definitely known to be capable of independent existence."}, "revision": 2}