Interchange Intro Video is designed to review and extend the topics and language presented in the StudentŐs Book or provide the basis for a short course.The Video contains a mix of entertaining dramatized sequences and authentic documentaries for a total of 16 different sequences.The full-color Video Activity Book provides pre- and post-viewing tasks for the learner. The Video TeacherŐs Guide offers guidance on using the video and contains the transcripts of the sequences, which may be photocopied for student use.