Teach with confidence, using the world's favorite English course. Interchange is a four-level, American English course that has been used by over 50 million students worldwide. These class audio CDs contain all of the audio for the Level 1 Student's Books. This includes Snapshots, Conversations, Grammar Focus, Listening, Pronunciation practice, Word Power, and Reading, all recorded in natural conversational English. | Interchange Level 1 Class Audio Cds by Jack C. Richards, Audio Book (CD) | Indigo Chapters