{"isbn_13": ["9780789024435"], "physical_format": "Paperback", "subtitle": "Ask a Librarian Online and Offline", "weight": "7.2 ounces", "languages": [{"key": "/l/eng"}], "publishers": ["Haworth Information Press"], "number_of_pages": 154, "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "id": 11044600, "first_sentence": {"type": "/type/text", "value": "SUMMARY. Telephone reference services have been present in libraries for over seventy-five years."}, "isbn_10": ["0789024438"], "publish_date": "October 2004", "key": "/b/OL8153082M", "authors": [{"key": "/a/OL946631A"}], "title": "Digital Versus Non-Digital Reference", "type": {"key": "/type/edition"}, "subjects": ["Library & information services", "Reference", "Internet in library reference", "Reference services (Libraries)", "Library & Information Science", "Information technology", "Research", "Electronic reference services", "Electronic reference services (Libraries)", "Internet in library reference services"], "physical_dimensions": "8.2 x 6 x 0.6 inches", "revision": 1}