{"isbn_13": ["9781402170942"], "physical_format": "Paperback", "subtitle": "For the Use of Schools and Students in the Universities", "weight": "8.8 ounces", "languages": [{"key": "/l/eng"}], "publishers": ["Adamant Media Corporation"], "number_of_pages": 208, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12885866, "first_sentence": {"type": "/type/text", "value": "1. DEF. The curve traced out by a point, which moves in such a manner that its distance from a given fixed point continually bears the same ratio to its distance from a given fixed line, is called a Conic Section."}, "isbn_10": ["1402170947"], "publish_date": "November 30, 2005", "key": "/b/OL9578047M", "authors": [{"key": "/a/OL3288845A"}], "title": "A Geometrical Treatise on Conic Sections. With Numerous Examples", "type": {"key": "/type/edition"}, "subjects": ["mathematics,geometry", "Mathematics / Arithmetic", "Mathematics / General"], "physical_dimensions": "8 x 5.2 x 0.6 inches", "revision": 1}