"Language in Use" is available in four levels: Beginner, Pre-intermediate, Intermediate and Upper-intermediate. It offers teachers of adult and young adult learners: flexibility - the course can be tailored to the needs of mixed-ability classes, dual syllabus - alternating grammar and vocabulary units, clarity - clear organisation and superb illustrations make the course accessible and attractive, creativity - highly original tasks stimulate students to make their own personal contribution, self-study - workbooks with integral self-study cassettes provide a resource for genuine self-study.