{"product_id":"9781316620113","title":"Interchange Intro Student's Book with Online Self-Study","description":"\u003cp\u003eTeach with confidence, using the world's favorite English course. Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This Intro Level Student's Book includes 16 units, eight progress checks, and a Grammar Plus section to ensure that students receive all of the practice they need. Inside each book is a single-use code for online self-study material. This gives access to videos and hundreds of automatically graded exercises, and works on PCs and Macs.\u003c\/p\u003e","brand":"Cambridge University Press","offers":[{"title":"Default Title","offer_id":48121554338032,"sku":"9781316620113","price":41.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781316620113_p0.jpg?v=1763706805","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781316620113","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}