| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Series 28 Exam Flashcard Study System: Series 28 Test Practice Questions & Review for the Introducing Broker-Dealer Financial and Operations Principal Qualification Examination | 978-1-5167-0323-4 (1-5167-0323-5) | 2016 |
| Series 28 Exam Secrets Study Guide: Series 28 Test Review for the Introducing Broker-Dealer Financial and Operations Principal Qualification Examination | 978-1-5167-0322-7 (1-5167-0322-7) | 2016 |