| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2001 | 978-0-9540259-0-8 | Jeff Smith | The KPI Book: The Ultimate Guide to Understanding the Key Performance Indicators of Your Business |
| 2003 | 978-0-9540259-1-5 | Jeff Smith | How to Make More Profit with Your Service Department: The Ultimate Guide to Understanding and Improving Your Operational Efficiencies |
| 2014 | 978-0-9540259-5-3 | '' | The KPI Book: The Ultimate Guide to Understanding the Key Performance Indicators of Your Business |