Challenges is the new course for teenagers which gives them everything they need to be successful in learning English. Written by the authors of the global bestseller, Opportunities, Challenges provides:\r\n - Coursebooks that can be completed in one year, giving students a clear sense of progress;\r\n - Informative and engaging topics that involve teenagers in their learning;\r\n - Unique features on word building, text building and sentence patterns;\r\n - Characters thar promote positive values an
