{"first_sentence": {"type": "/type/text", "value": "people already accustomed to taking vitamins to forestall aging and disease."}, "physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "weight": "1.6 ounces", "languages": [{"key": "/l/eng"}], "publishers": ["McGraw-Hill"], "number_of_pages": 48, "isbn_13": ["9780879839024"], "id": 11017985, "edition_name": "1 edition", "isbn_10": ["0879839023"], "publish_date": "March 11, 1999", "key": "/b/OL8131416M", "authors": [{"key": "/a/OL2872974A"}], "title": "ABC's of Hormones", "type": {"key": "/type/edition"}, "subjects": ["Popular medicine", "Health/Fitness", "Health & Fitness", "Consumer Health", "General", "Health & Fitness / General"], "physical_dimensions": "8 x 5.2 x 0.2 inches", "revision": 1}