{"number_of_pages": 374, "weight": "1 pounds", "covers": [5264449], "edition_name": "4 Tra edition", "source_records": ["amazon:8430943420"], "title": "La Metafisica De Las Costumbres / The Metafisics of Habits (Clasicos Del Pensamiento / Thought Classics)", "languages": [{"key": "/languages/spa"}], "subjects": ["Metaphysics", "Philosophy", "Spanish: Adult Nonfiction"], "type": {"key": "/type/edition"}, "physical_dimensions": "7.7 x 5.2 x 1.2 inches", "publishers": ["Tecnos"], "physical_format": "Paperback", "key": "/books/OL13232173M", "authors": [{"key": "/authors/OL18074A"}], "identifiers": {"goodreads": ["6271634"]}, "publish_date": "November 2005", "works": [{"key": "/works/OL407996W"}], "isbn_10": ["8430943420"], "isbn_13": ["9788430943425"], "latest_revision": 9, "revision": 9, "created": {"type": "/type/datetime", "value": "2008-04-30T20:50:18.033121"}, "last_modified": {"type": "/type/datetime", "value": "2026-08-10T04:49:04.798567"}}