{"first_sentence": {"type": "/type/text", "value": "1) Decide if and why trees need to be pruned."}, "physical_format": "Paperback", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "weight": "1.6 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["Cengage Delmar Learning"], "number_of_pages": 352, "isbn_13": ["9780766822719"], "id": 10929808, "edition_name": "2 edition", "isbn_10": ["0766822710"], "publish_date": "January 15, 2002", "key": "/b/OL8063448M", "authors": [{"key": "/a/OL2852775A"}], "title": "Illustrated Guide to Pruning", "type": {"key": "/type/edition"}, "subjects": ["Agricultural science", "Reference", "Gardening/Plants", "Gardening", "Gardening / Horticulture", "Trees in cities", "Techniques", "Agriculture - General", "Trees", "Technology / Agriculture & Animal Husbandry", "Ornamental trees", "Pruning"], "physical_dimensions": "10.8 x 8.5 x 0.5 inches", "revision": 1}