Interchange Fourth Edition is a four-level series for adult and young-adult learners of English from the beginning to the high-intermediate level. Student's Book A, Level 3 builds on the foundations established in Level 2 for accurate and fluent communication, extending grammatical, lexical, and functional skills. Student's Book A, Level 3 contains units 1-8, the first half of the full Student's Book, progress checks, additional Interchange activities, and a Grammar Plus section that provides additional grammar explanations and practice. Included is a Self-study DVD-ROM that provides the full class video and extra practice with vocabulary, grammar, speaking, listening, and reading.

Interchange Fourth Edition is a four-level series for adult and young-adult learners of English from the beginning to the high-intermediate level. Workbook A, Level 3 has six-page units that follow the same sequence as Student's Book A, Level 3. The workbook helps recycle and review language by providing additional practice in grammar, vocabulary, reading, and writing. It contains units 1-8 and is appropriate for in-class work or assigned as homework.

Interchange Fourth Edition is a four-level series for adult and young-adult learners of English from the beginning to the high-intermediate level. Workbook B, Level 1 has six-page units that follow the same sequence as Student's Book B, Level 1. The workbook helps recycle and review language by providing additional practice in grammar, vocabulary, reading, and writing. It contains units 9-16 and is appropriate for in-class work or assigned as homework.