Touchstone Second Edition Is An Innovative Four-Level American English Course For Adults And Young Adults, Taking Students From Beginning (A1) To Intermediate (B1) 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.