{"product_id":"a-first-look-at-perturbation-theory","title":"A First Look at Perturbation Theory","description":"\u003cp\u003e\u003cstrong\u003eNew copy of A First Look at Perturbation Theory by James G. Simmonds.\u003c\/strong\u003e - Paperback, Published by Dover Publications, 139 pages, ISBN-13: 9780486675510, ISBN-10: 0486675513.\u003c\/p\u003e\u003cp\u003eHassle-free 30-day returns. Free shipping on orders over $35.\u003c\/p\u003e","brand":"Dover Publications","offers":[{"title":"Default Title","offer_id":46311142916330,"sku":"DS-CA-0486675513","price":19.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/1735\/7290\/files\/41dlJhz0-bL.jpg?v=1790006569","url":"https:\/\/justgreatbooks.org\/products\/a-first-look-at-perturbation-theory","provider":"Just Great Books","version":"1.0","type":"link"}