Touchstone Second Edition Is An Innovative Fourlevel American English Course For Adults And Young Adults Taking Students From Beginning A1 To Intermediate B2 Level Touchstone Uses A Corpusinformed 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 Students Book Contains Approximately 90 Hours Of Material Across 12 Topicbased Units With Additional Grammar And Pronunciation Practice Added For The Second Edition Students Book Level 4 Is At The Intermediate Cefr Level B1b2