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 include word building, text 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 full Word Bank that is easy to use
• A unique teacher's package gives total support and maximum flexibility