| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| PSD: Professional Scrum Developer Question Bank and Reference Guide. | 978-1-7326579-7-7 (1-7326579-7-1) | 2019 |
| Quick Reference Guide For PSM and PSPO: Pass PSM I and PSPO I in your first try. | 978-1-7326579-0-8 (1-7326579-0-4) | 2018 |
S. B · Stewart Boyd · Stuart Beattie · Stuart Booth · Stuart Boyd