Easy and enjoyable to teach, Touchstone is packed with new and exciting ideas, offering a fresh approach to the teaching and learning of English. Teacher's Edition 4 is fully interleaved and contains practical teaching notes along with a wealth of optional activities. Detailed language notes based on corpus research give teachers special insights into English usage. Audio scripts, answer keys, and tests are also provided. Teachers can go into the classroom confident that they are fully equipped to teach students to be effective communicators.