{"first_sentence": {"type": "/type/text", "value": "The nature of light is one of the most difficult concepts in modern physics."}, "physical_format": "Hardcover", "weight": "1.8 pounds", "languages": [{"key": "/l/eng"}], "type": {"key": "/type/edition"}, "publishers": ["Marcel Dekker"], "number_of_pages": 552, "isbn_13": ["9780824746131"], "id": 11010028, "edition_name": "2 edition", "isbn_10": ["0824746139"], "publish_date": "September 1, 2003", "key": "/b/OL8125629M", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "title": "Handbook of Optical Design, 2nd Edition (Optical Engineering)", "contributions": ["Daniel Malacara (Editor)", "Zacarias Malacara (Editor)"], "subjects": ["Applied optics", "Optics (light)", "Technology & Industrial Arts", "Optical instruments", "Handbooks, manuals, etc", "Technology", "Science/Mathematics", "Technical & Manufacturing Trades", "Optics", "Engineering - General", "Technology / Lasers", "Design and construction", "Lenses", "Mirrors"], "physical_dimensions": "9.2 x 6.8 x 1.2 inches", "revision": 1}