{"first_sentence": {"type": "/type/text", "value": "If I were to ask a number of people in the street what they think was the most important new theory in physics in the twentieth century, and who has been the greatest physicist, I am fairly sure that - of those able to express an opinion at all - a substantial majority would say that relativity has been the greatest theory, and Einstein the greatest physicist."}, "physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "weight": "1.2 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["Peterson's"], "number_of_pages": 530, "isbn_13": ["9780768921519"], "id": 10933574, "edition_name": "25 edition", "isbn_10": ["0768921511"], "publish_date": "April 10, 2006", "key": "/b/OL8066456M", "authors": [{"key": "/a/OL2626143A"}], "title": "440 Colleges for Top Students 2007 (440 Colleges for Top Students)", "type": {"key": "/type/edition"}, "subjects": ["Institutions Of Higher Education", "Study Aids", "Reference", "Test Prep", "College Guides", "Study Aids / College Guides", "Directories", "Admission", "Entrance requirements", "United States", "Universities and colleges"], "physical_dimensions": "9 x 7.2 x 1.2 inches", "revision": 1}