{"identifiers": {"librarything": ["1219205"], "goodreads": ["4755602"]}, "title": "Heart of Paris (Walking Tours)", "authors": [{"key": "/authors/OL2960729A"}], "publish_date": "March 1991", "publishers": ["Penton Overseas"], "weight": "2.9 ounces", "covers": [788715], "physical_format": "Audio Cassette", "subjects": ["Travel & holiday guides", "Walking, hiking, trekking", "Unabridged Audio - Travel", "Abridged Audio - Travel", "Audio Adult: Other", "France", "Europe - France"], "isbn_13": ["9781560150190"], "languages": [{"key": "/languages/eng"}], "isbn_10": ["156015019X"], "oclc_numbers": ["26234967"], "type": {"key": "/type/edition"}, "physical_dimensions": "7 x 4.6 x 0.6 inches", "source_records": ["amazon:156015019X"], "key": "/books/OL8613851M", "number_of_pages": 45, "works": [{"key": "/works/OL8726433W"}], "latest_revision": 8, "revision": 8, "created": {"type": "/type/datetime", "value": "2008-04-30T08:14:56.482104"}, "last_modified": {"type": "/type/datetime", "value": "2026-01-11T07:03:02.051136"}}