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 Interchange Third Edition Workbook has six-page units that follow the same sequence as the Student's Book, recycling and reviewing language from previous units. It provides additional practice in grammar, vocabulary, reading, and writing. The Workbook can be 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. 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 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. It remains the innovative series teachers and students have grown to love, while incorporating suggestions from teachers and students all over the world. 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.

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, Level 2 has six-page units that follow the same sequence as Student's Book, Level 2. The workbook helps recycle and review language by providing additional practice in grammar, vocabulary, reading, and writing. It is appropriate for in-class work or assigned as homework.

New Interchange is a multi-level series for adult and young-adult learners of English from the beginning to the high-intermediate level. The Level 1 Student's Book builds on the foundations established in the Intro for accurate and fluent communication, extending grammatical, lexical, and functional skills. Beautiful color photographs and illustrations facilitate the teaching of new vocabulary. The New Interchange series teaches students to use English for everyday situations and purposes related to school, work, social life, and leisure. As with the other levels of New Interchange, a complete set of ancillaries, including a video program, is available to make classes interesting and productive.

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 Full Contact B with Self-study DVD-ROM, Level 2 includes: units 9-16 of the Student's Book, Workbook, and video worksheets, as well as the Self-study DVD-ROM.