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 Addit