This best-selling basal series is effective in a wide variety of ESL/EFL classes in high school, institute, and adult education programs. The four levels follow a student-centered, interactive approach in a clear and easy-to-use format. The new edition features four-color illustrations and all-skills practice in each of the student texts, as well as summary pages highlighted grammar and functions at the end of each chapter. Workbooks 1 and 2 offer rhythm and pronunciation exercises by Carolyn Graham.