{"product_id":"preliminary-studies-for-the-philosophical-investigations-generally-known-as-the-blue-and-brown-books","title":"Preliminary Studies for the \"Philosophical Investigations\", Generally Known as the Blue and Brown Books","description":"hardcover.","brand":"Wittgenstein, Ludwig","offers":[{"title":"Good - First Edition","offer_id":52409846726939,"sku":"mon0000790838","price":650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/4004\/3291\/files\/9781847720160_1024x1024_2x_0c0519cf-dc2e-40ac-8830-f60773cb5ecc.jpg?v=1782590680","url":"https:\/\/bookalley.com\/products\/preliminary-studies-for-the-philosophical-investigations-generally-known-as-the-blue-and-brown-books","provider":"Book Alley","version":"1.0","type":"link"}