- The Brooker's Daily Gratitude Journal
- Happiness Starts With Gratitude: 50 Lessons to Direct, Inspire, and Empower You
- Six-Word Lessons to Embrace Gratitude: 100 Lessons to Enhance Your Life by Practicing Gratitude Every Day
- The Making of an Ideal Boss: (One of a Series from How to Be a Great Boss)
- Monday Morning Minutes: 100 Messages of Gratitude: How Gratitude Can Brighten Your Day






