| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Series 99 Exam Flashcard Study System: Series 99 Test Practice Questions & Review for the Operations Professional Qualification Examination | 978-1-63094-182-6 (1-63094-182-4) | 2014 |
| Series 99 Exam Secrets Study Guide: Series 99 Test Review for the Operations Professional Qualification Examination | 978-1-63094-028-7 (1-63094-028-3) | 2014 |