{"languages": [{"key": "/l/eng"}], "physical_format": "Paperback", "subtitle": "A Handbook of Codes, Ciphers and Secret Writing", "weight": "8 ounces", "publishers": ["Candlewick"], "type": {"key": "/type/edition"}, "number_of_pages": 144, "id": 10894147, "isbn_13": ["9780763629724"], "isbn_10": ["0763629723"], "publish_date": "April 11, 2006", "key": "/b/OL8036545M", "last_modified": {"type": "/type/datetime", "value": "2008-04-29 15:03:11.581851"}, "title": "Top Secret", "contributions": ["Paul B. Janeczko (Editor)", "Jenna Lareau (Illustrator)"], "subjects": ["Games & Activities - Puzzles", "Juvenile Nonfiction", "Children's Books/Ages 9-12 Nonfiction", "Children: Grades 4-6", "Reference - General", "Juvenile Nonfiction / Games & Activities / Puzzles", "Ciphers", "Cryptography", "Juvenile literature"], "physical_dimensions": "8.3 x 7 x 0.5 inches", "revision": 1}