{"isbn_13": ["9780787966621"], "physical_format": "Paperback", "weight": "2.1 pounds", "languages": [{"key": "/l/eng"}], "publishers": ["Jossey-Bass"], "number_of_pages": 352, "last_modified": {"type": "/type/datetime", "value": "2008-04-30 09:38:13.731961"}, "id": 12652254, "first_sentence": {"type": "/type/text", "value": "Note: Many teachers discover that they spend a great deal of time focusing (and refocusing) their students' microscopes."}, "isbn_10": ["0787966622"], "publish_date": "January 1, 1993", "key": "/b/OL9384360M", "authors": [{"key": "/a/OL3249277A"}], "title": "Human Biology Activities Kit: Ready-to-Use Lessons and Worksheets for General Science and Health (J-B Ed: Activities)", "type": {"key": "/type/edition"}, "subjects": ["Body & health", "Teaching Methods & Materials - Science & Technology", "Education", "Science", "General", "Education / Teaching Methods & Materials / Science & Technology"], "physical_dimensions": "10.6 x 8.3 x 0.8 inches", "revision": 1}