Challenges provides * Coursebooks that can be completed in one year, giving students a clear sense of progress * Informative and engaging topics that involve teenagers in their learning * Unique features on word building and sentence patterns * Characters that promote positive values and use real spoken language. * Activities for building learner strategies for independent learning * Magazine at the back of the Students Book to support mixed ability classes * Strong grammar and skills sections give students confidence in using the language * A picture dictionary in Levels 1 and 2 that is easy and fun to use * A unique teacher's package gives total support and maximum flexibility sakriti opis