{"physical_format": "Unknown Binding", "subtitle": "A Story about Thomas Edison (Creative Minds Biography (Turtleback))", "last_modified": {"type": "/type/datetime", "value": "2008-08-19 09:36:14.858546"}, "publishers": ["Turtleback Books Distributed by Demco Media"], "type": {"key": "/type/edition"}, "title": "Wizard of Sound", "id": 12812550, "isbn_13": ["9780606190282"], "isbn_10": ["0606190287"], "publish_date": "April 1992", "key": "/b/OL9516535M", "authors": [{"key": "/a/OL1191053A"}], "contributions": ["Hetty Mitchell (Illustrator)"], "subjects": ["Biography & Autobiography - Historical", "Biography & Autobiography - Science & Technology", "Technology - Electricity & Electronics", "Children's Books/Ages 4-8 Nonfiction"], "physical_dimensions": "8.8 x 6.1 x 0.4 inches", "revision": 2}