{"product_id":"books-new-progress-to-proficiency-self-study-student-s-book-by-leo-jones","title":"New Progress to Proficiency Self-Study Student's Book","description":"This popular course combines systematic preparation for all five papers of the Proficiency exam with a fresh and lively approach. There are eighteen units containing clearly defined skills sections with a strong emphasis on vocabulary.    The Self-study edition comes with an answer key, explanations, model answers, and exam tips.    A Student's Book, Teacher's Book and an Audio CD set are also available.","brand":"World of Books ","offers":[{"title":"Default Title","offer_id":53507678503185,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/9780521007894.jpg?v=1778132360","url":"https:\/\/www.worldofbooks.com\/en-gb\/products\/books-new-progress-to-proficiency-self-study-student-s-book-by-leo-jones","provider":"World of Books ","version":"1.0","type":"link"}