{"identifiers": {"goodreads": ["6032338"]}, "title": "Matematica 4 - 2 Ciclo Egb", "authors": [{"key": "/authors/OL3517040A"}], "publish_date": "March 2000", "publishers": ["Tandem Library"], "physical_format": "Hardcover", "isbn_13": ["9780613807753"], "languages": [{"key": "/languages/spa"}], "isbn_10": ["0613807758"], "type": {"key": "/type/edition"}, "subjects": ["General", "Juvenile Nonfiction", "Children's 9-12", "Children's Books/Ages 9-12 Nonfiction"], "source_records": ["amazon:0613807758"], "key": "/books/OL10956096M", "works": [{"key": "/works/OL9505954W"}], "latest_revision": 5, "revision": 5, "created": {"type": "/type/datetime", "value": "2008-04-30T09:38:13.731961"}, "last_modified": {"type": "/type/datetime", "value": "2026-01-31T22:00:17.578183"}}