{"identifiers": {"librarything": ["5580686"]}, "title": "The Feynman Lectures on Physics", "subtitle": "From Crystal Structure to Magnetism (Feynman Lectures on Physics)", "publish_date": "April 1, 1999", "publishers": ["Perseus Books Group"], "weight": "8.5 ounces", "covers": [1369890], "physical_format": "Audio cassette", "subjects": ["Atomic & molecular physics", "Electricity, magnetism & electromagnetism", "General", "Abridged Audio - Misc. Nonfiction", "Unabridged Audio - Misc.Nonfiction", "Audio Adult: Other", "Physics", "Science", "Audiobooks", "Quantum theory", "Audio - Nonfiction"], "edition_name": "Unabridged edition", "languages": [{"key": "/languages/eng"}], "isbn_13": ["9780738200910"], "isbn_10": ["0738200913"], "type": {"key": "/type/edition"}, "physical_dimensions": "7.1 x 4.3 x 1.7 inches", "source_records": ["amazon:0738200913"], "key": "/books/OL7899261M", "number_of_pages": 6, "works": [{"key": "/works/OL514630W"}], "latest_revision": 6, "revision": 6, "created": {"type": "/type/datetime", "value": "2008-04-29T15:03:11.581851"}, "last_modified": {"type": "/type/datetime", "value": "2026-05-09T04:04:30.246022"}}