![](http://images-na.ssl-images-amazon.com/images/I/51N4mMcnEjL._SX359_BO1,204,203,200_.jpg)
Paperback From $27.62
Interchange Fourth Edition is a fully revised edition of Interchange, the world’s most successful series for adult and young-adult learners of North American English. The course has been revised to reflect the most recent approaches to language teaching and learning.