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. Student´s Book, Level 4A, includes Units 1-6 of Level 2 Student´s Book and is at the intermediate CEFR level (B1-B2). This version of the Student´s Book contains an activation code that grants access to the Online Workbook, Level 4A for 12 months. The Online Workbook provides practice of the language studied in the Student´s Book. Exercises are graded automatically and students can easily track their progress and scores.