Power is a highly innovative series for Upper Secondary students tha provides learning and skills strategies to achieve true communicative ability. At the some time, it guarantees in-depth coverage of grammar, vocabulary and exam preparation thanks to its wealth of resources, and ensures effective language acquisition through constant recycling. Power is benchmarked to the Common European Framework in order to guarantee a prestigious and Europe-wide level of linguistic and comunicative competence. Power has been reviewed and tested by hundreds of teachers and students in order to ensure that it reflects the quickly changing realuty of the classroom.