{"first_sentence": {"type": "/type/text", "value": "Population ecology is based on two attributes of living organisms: birth and survival."}, "physical_format": "Hardcover", "subtitle": "Methods in Demography", "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "weight": "2.3 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["Academic Press"], "number_of_pages": 312, "isbn_13": ["9780122287404"], "id": 12534154, "edition_name": "1st edition", "isbn_10": ["0122287401"], "publish_date": "September 15, 1998", "key": "/b/OL9281261M", "authors": [{"key": "/a/OL246408A"}], "title": "Plant & Animal Populations", "type": {"key": "/type/edition"}, "subjects": ["Animal ecology", "Ecological science, the Biosphere", "Plant ecology", "Population & demography", "Probability & Statistics - General", "Methodology", "Science", "Science/Mathematics", "Life Sciences - Biology - General", "Life Sciences - Ecology", "Science / Ecology", "Animal populations", "Plant populations", "Population Biology"], "physical_dimensions": "11 x 8.7 x 0.8 inches", "revision": 1}