Touchstone Second edition is an innovative four-level American English course for adults and young adults, taking students from beginning (A1) to intermediate (B2) level. Touchstone uses a corpus-informed syllabus ensuring students are learning the language that people really use. Activities include a strong focus on inductive learning, personalized practice, and encouraging learner autonomy. Each Student's Book contains approximately 90 hours of material across 12 topic-based units - with additional grammar and pronunciation practice added for the Second Edition. Student's Book, Level 4 is at the intermediate CEFR level (B1-B2).