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The Title is Open World First Student's Book with Answers with Online Practice. Downloadable Class Audio containing the necessary listening material is provided with the Teacher's Book. When we describe the sleeve we are describing the printed paper cover or booklet that is included inside the case.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.