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 2 has six-page units that follow the same sequence as Student's Book A, Level 2. 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 3 has six-page units that follow the same sequence as Student's Book B, Level 3. 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.

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, Level 2 builds on the foundations established in Level 1 for accurate and fluent communication, extending grammatical, lexical, and functional skills. The Student's Book contains 16 teaching units, 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. The Interchange Fourth Edition interleaved, spiral-bound Teacher's Edition with Assessment Audio CD/CD-ROM, Level 2 features complete teaching instructions, optional activities, audio scripts, language summaries, and Student's Book and Workbook answer keys. The Assessment CD/CD-ROM provides a complete assessment program, including oral and written quizzes, as well as mid-term and final tests in printable PDF and Microsoft Word formats.

Interchange Fourth Edition is a four-level series for adult and young-adult learners of English from the beginning to the high-intermediate level. Interchange Fourth Edition Online Workbook, Level 1 provides additional activities to reinforce what is presented in Student's Book, Level 1. The Online Workbook includes activities which correspond to each Student's Book unit; instant feedback for hundreds of activities; clear, easy-to-follow navigation; additional audio practice; and simple tools to monitor progress.

Interchange Third edition is a four-level series for adult and young-adult learners of English from the beginning to the high-intermediate level. The full-color Video Activity Book is designed to accompany the videos. It provides pre- and post-viewing tasks for the learner. There are follow-up and Language Close-Up sections for those who want to use the videos as the basis for a short course, or to review more thoroughly the contents of the Student's Book.