<p>Interchange Level 1A Student's Book With Digital Pack - 5th Edition</p>
<p>Interchange is a four-level, American English course that has been used by over 50 million students worldwide. This Level 1A Student's Book with Digital Pack has Units 1-8, progress checks, and a Grammar Plus section to ensure students receive all the practice they need. Inside each book is a single-use code for the Digital Pack to access the Digital Workbook with hundreds of self-graded exercises, audio, videos, and an eBook. The Digital Pack is mobile-friendly and can be used on a smartphone, tablet, or computer.</p>