NorthStar. Listening and Speaking (2nd Edition) - High Intermediate

NorthStar - five-level English course (American version) language.
NorthStar is a five-level series for Introductory to Advanced learners. Each unit links reading/writing and listening/speaking, to help students build language competence while encouraging critical thinking and personal expression. Each unit links reading / writing and listening / speaking, to help students build language competence while encouraging critical thinking and personal expression.
Contents:
- Students' Book
- Student's Audio
- Teacher's Manual and Achievement Tests
- Achievement Audio
- Video and Video Guide