| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Basic Skills for the TOEFL iBT 2, Listening Book | 978-1-59966-155-1 (1-59966-155-1) | 2008 | Micah Sedillos |
| Basic Skills for the TOEFL iBT 3, Listening Book | 978-1-59966-159-9 (1-59966-159-4) | 2008 | Jonathan Wrigglesworth |
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