Interchange Third edition is a four-level series for adult and young-adult learners of English from the beginning to the high-intermediate level. The InterchangeThird Edition Level 3 Video NTSC is designed to review and extend the topics and language presented in the Interchange Third Edition Level 3 Student's Book. It can also be used independently as the basis for a short listening and speaking course. The video contains entertaining dramatized sequences and authentic documentaries. Based on the language and vocabulary in the Student's Book, the sequences are short, free standing, and easy to use. The video is also available on Video DVD.