{"physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 20:50:18.033121"}, "publishers": ["Kabbalah Learning Center"], "number_of_pages": 238, "id": 15236515, "isbn_13": ["9780943688268"], "isbn_10": ["0943688264"], "publish_date": "January 1986", "key": "/b/OL11548224M", "authors": [{"key": "/a/OL2975197A"}], "title": "Sefer Hakdamot", "type": {"key": "/type/edition"}, "subjects": ["Healing - General", "Mysticism", "Spirituality - General", "Body, Mind & Spirit", "New Age"], "revision": 1}