Headway Advanced is suitable for CEFR level C1Headway is the world’s most trusted adult English course.  The series’ proven methodology, strong grammar focus and integrated skills work give you lessons that really work in class and offers full support at all levels.The Advanced Student's Workbook provides a perfectly-balanced syllabus with extensive resources at all levels for students and teachers.In depth treatment of grammarIntegrated skills throughoutFull support in print, on disc and onlineiTutor is a digital companion to the Student’s Book for students to revise, review and improve their English. It includes:Interactive reading, listening and writing practice with instant feedbackGrammar Tutor with audio explanations up to Intermediate levelLanguage Development at Upper-Intermediate and Advanced covering grammar, vocabulary and spoken EnglishPrintable wordlist with audio for each unitVideo material  with interactive exercises.