New American Streamline Departures - Beginner: Departures Student Book Part B (Units 41-80) (New American Streamline: Departures (Beginning))

New American Streamline combines natural language, everyday situations, and extensive practice of all four skills to give students a practical command of simple, spoken English.
Each of the three levels (Departures, Connections, and Destinations) can be used as independently or as a series.