| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2018 | 978-0-9963406-5-6 | Scott Payne | PMP Exam Master Prep: Learn Faster, Retain More, Pass the PMP Exam, Sixth Edition |
| 2019 | 978-0-9963406-8-7 | Scott Payne | PMP Exam Prep Flashcards: Success Secrets (6th Edition) |