{"isbn_13": ["9780120007950"], "physical_format": "Hardcover", "weight": "1.6 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["Academic Press"], "number_of_pages": 288, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12532213, "first_sentence": {"type": "/type/text", "value": "Ecosystems in semiarid and arid regions around the world appear to be undergoing various processes of degradation commonly described as desertification."}, "isbn_10": ["0120007959"], "publish_date": "May 2002", "key": "/b/OL9279500M", "authors": [{"key": "/a/OL772079A"}], "title": "Advances in Agronomy, Volume 77 (Advances in Agronomy)", "type": {"key": "/type/edition"}, "subjects": ["Agriculture & Farming", "Economics", "Management of land & natural resources", "Technology", "Agronomy (General)", "Technology & Industrial Arts", "Science/Mathematics", "Agriculture - Agronomy", "Environmental Science", "Life Sciences - Botany", "Agriculture", "Agronomy", "Environmental Sciences", "Plant", "Soil Science", "Technology / Agriculture & Animal Husbandry", "Agriculture - General"], "physical_dimensions": "9.1 x 6.1 x 1.1 inches", "revision": 1}