New Hotline updated with new artwork, up-to-date references, and extra reading material. Interleaved Teacher's Books give step-by-step notes and answer keys. Problem-solving approach to grammar guides learners to a clear and in-depth understanding. Presents everyday English in a lively and motivating way. New short story section offers additional material for class or home use. Learner training activities for students to reflect on their learning. Loop-back syllabus recycles and revises language. Reading and listening topics with cross-curricular themes and teenage interest.