Challenges provides * Coursebooks, ktoré môžu byť dokončené v jednom roku, dáva študentom a čisté prázdne progresie * Informatívne a engáting topiky, že involve teenagers in ich learning * Unique features include word building, text building and sentence patterns * Characters real spoken language. * Activities for building learner strategies for independent learning * Magazine at the back of the Students Book for support mixed ability classes * Strong grammar a skills sections given students confidence in using the language * A full Word Bank to je easy to use * package gives total support and maximum flexibility