| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Living Language English, Complete Edition : Beginner through advanced course, including 3 coursebooks, 9 audio CDs, and free online learning | 978-0-307-97234-7 (0-307-97234-8) | 2012 | Living Language |
| Living Language English for Spanish Speakers, Complete Edition : Beginner through advanced course, including 3 coursebooks, 9 audio CDs, and free online learning | 978-0-307-97261-3 (0-307-97261-5) | 2012 | " |