{"product_id":"2940169832068","title":"The Theory and Practice of Time Travel","description":"\u003cp\u003eThis nonfiction essay, first published in \u003ci\u003eVertex\u003c\/i\u003e in April 1973, discusses the grandfather paradox and the many uses, implications, and limits of teleportation, from personal transportation to interstellar travel.\u003c\/p\u003e","brand":"Blackstone Audio, Inc.","offers":[{"title":"Default Title","offer_id":47114764419312,"sku":"2940169832068","price":1.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940169832068_p0.jpg?v=1769900712","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940169832068","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}