{"product_id":"ch-400-2523","title":"Elementary Trigonometry","description":"\u003cp\u003eLibro Usado, Tapa Blanda.    A renowned mathematics textbook that educated generations of students throughout the English-speaking world. Hall \u0026amp; Knight's Elementary Trigonometry remains of interest to mathematicians, educators, and collectors of historic scientific texts.\u003c\/p\u003e","brand":"H. S. Hall, M.A. \/S. R. Knight, B.A., M.B., Ch.B.","offers":[{"title":"Bueno \/ 415 \/ 1959","offer_id":43730680512586,"sku":"CH-400-2523","price":16660.0,"currency_code":"CLP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0224\/7871\/7002\/files\/IMG_20260622_155602.jpg?v=1782168351","url":"https:\/\/www.greenlibros.com\/products\/ch-400-2523","provider":"Green Libros","version":"1.0","type":"link"}