| title | ISBN-13 | year of publication |
|---|---|---|
| IELTS Grammar Guide: 23 Grammar Rules You Must Know To Pass The IELTS! | 978-1-4841-3752-9 | 2013 |
| IELTS High Score System: Learn How To Identify & Answer Every Question With A High Score! | 978-1-4840-6376-7 | 2013 |
| IELTS High Score System : Learn How To Identify & Answer Every Question With A High Score! | 978-1-4800-5299-4 | 2012 |
| IELTS High Score Vocabulary List: A Specially Selected List of IELTS Vocabulary Words Guaranteed To Increase Your Score! | 978-1-4848-3774-0 | 2013 |
| IELTS Writing Section : How To Achieve A Target 8 Score | 978-1-4841-2063-7 | 2013 |
| TOEFL iBT High Score System: Learn how to identify and answer every question with a high score! | 978-1-4783-0755-6 | 2012 |
| TOEFL iBT High Score Vocabulary List: A Specially Selected List Of TOEFL iBT Vocabulary Words Guaranteed To Increase Your Score! | 978-1-4937-5705-3 | 2013 |