| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Customer Service Tip of the Week: Over 52 ideas and reminders to sharpen your skills | 978-0-692-15414-4 (0-692-15414-0) | 2018 |
| The Service Culture Handbook: A Step-by-Step Guide to Getting Your Employees Obsessed with Customer Service | 978-0-692-84200-3 (0-692-84200-4) | 2017 |