{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "weight": "4 ounces", "publishers": ["Sterling"], "type": {"key": "/type/edition"}, "number_of_pages": 96, "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "id": 10776504, "isbn_13": ["9780806981154"], "isbn_10": ["0806981156"], "publish_date": "June 30, 1998", "key": "/b/OL7944080M", "authors": [{"key": "/a/OL223762A"}], "title": "Challenging Math Puzzles", "contributions": ["Nina Zottoli (Illustrator)"], "subjects": ["Mathematics", "Puzzles & quizzes", "Mathematics - General", "Children: Grades 4-6", "Games", "Children's 12-Up - Games / Gamebooks", "Children's Books/Young Adult Misc. Nonfiction", "Puzzles", "Games & Activities - General", "LITERATURE - MYTH/FOLKLORE TRD PB"], "physical_dimensions": "8.1 x 5.4 x 0.3 inches", "revision": 1}