INTERCHANGE
BOOK
This edition offers updated content in every
unit, grammar practice, and opportunities to
develop speaking and listening skills.
Interchange
Fourth
Edition
features
contemporary topics and a strong focus on
both accuracy and fluency. Its successful multi-
skills syllabus integrates themes, grammar,
functions, vocabulary, and pronunciation. The
underlying philosophy of the course remains
that language is best learned when it's used for
meaningful communication.