| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Building iBT TOEFL Skills: Beginning | 978-1-59966-051-6 (1-59966-051-2) | 2006 | Adam Worcester · Eric Williamson |
| Building Skills for the TOEFL iBT: Beginning | 978-1-59966-047-9 (1-59966-047-4) | 2006 | Adam Worcester · Eric Williamson |
L B · Larissa Branin · Lars Behrmann · Lars Borman · Lars Burman