{"title": "Historia Del Mundo (7)", "languages": [{"key": "/languages/spa"}], "physical_format": "Hardcover", "isbn_13": ["9788434538320"], "isbn_10": ["8434538326"], "type": {"key": "/type/edition"}, "source_records": ["amazon:8434538326"], "key": "/books/OL13238126M", "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2008-04-30T20:50:18.033121"}, "last_modified": {"type": "/type/datetime", "value": "2026-01-22T18:19:14.183661"}}