New Interchange is a complete revision of Interchange, one of the world's most popular and successful English courses. New Interchange is a multi-level course for adults and young adult learners of English from beginning to high-intermediate level. Level One builds on the foundations for accurate and fluent communication established in the Intro Level, extending grammatical, lexical, and functional skills. New Interchange teaches students to use English for everyday situations and purposes related to school, work, social life, and leisure. The underlying philosophy is that language learning is more rewarding, meaningful, and effective when used for authentic communication.