| title | ISBN-13 | year of publication |
|---|---|---|
| 5 PSAT Math Practice Tests | 978-0-9796786-6-0 | 2011 |
| 5 SAT Critical Reading Practice Tests | 978-0-9796786-5-3 | 2011 |
| 5 SAT Math Practice Tests | 978-0-9796786-0-8 | 2011 |
| 5 SAT Writing Practice Tests | 978-0-9796786-7-7 | 2011 |
| 10 PSAT Vocabulary Practice Tests | 978-1-937599-00-3 | 2011 |
| 10 SAT Vocabulary Practice Tests | 978-0-9796786-8-4 | 2011 |
| Score-Raising Vocabulary Builder for ACT and SAT Prep & Advanced TOEFL and SSAT Study | 978-1-937599-15-7 | 2012 |
| Score-Raising Vocabulary Builder for ACT and SAT Prep & Advanced TOEFL and SSAT Study | 978-1-937599-16-4 | 2012 |
| Score-Raising Vocabulary Builder for ACT and SAT Prep & Advanced TOEFL and SSAT Study | 978-0-9796786-4-6 | 2010 |
| Score-Raising Vocabulary Builder for the GRE, GMAT, and LSAT | 978-1-937599-17-1 | 2012 |
G.S. · G Simpson · P.G. · P.G. Simpson · P S · P. Simpson · Paul G. · Paul IV · Paul S. · Paul Simpson