* Eat More, Live Longer: The Science Behind the Healthiest Diet on the Planet (2019)
* Chicken Soup for the Soul: Think Positive (2018)
* Chicken Soup for the Soul: Think Positive for Kids (2018)
* The Power of Positivity: How to Harness the Power of Positive Thinking to Improve Your Life (2017)
* Chicken Soup for the Soul: Think Positive: 101 Stories About Making the Most of Every Moment (2016)
* The 7 Keys to a Joyful Life: How to Unlock the Secrets to a Happy, Healthy, and Fulfilling Life (2016)
* Chicken Soup for the Soul: Think Positive: 365 Daily Inspirations to Lift Your Spirits (2015)
* Chicken Soup for the Soul: Think Positive: The Power of Positive Thinking (2014)
* The Power of Positivity: 10 Ways to Transform Your Life (2013)
* The Power of Positivity: 10 Ways to Transform Your Life for the Better (2012)
* The Power of Positivity: 10 Ways to Transform Your Life Now (2011)
* The Power of Positivity: 10 Ways to Transform Your Life Today (2010)
* The Power of Positivity: 10 Ways to Transform Your Life Tomorrow (2009)
* The Power of Positivity: 10 Ways to Transform Your Life in 10 Days (2008)
* The Power of Positivity: 10 Ways to Transform Your Life in 10 Minutes (2007)
* The Power of Positivity: 10 Ways to Transform Your Life in 10 Seconds (2006)
* The Power of Positivity: 10 Ways to Transform Your Life in 10 Words (2005)
Audiobooks:
* Eat More, Live Longer: The Science Behind the Healthiest Diet on the Planet (2019)
* Chicken Soup for the Soul: Think Positive (2018)
* Chicken Soup for the Soul: Think Positive for Kids (2018)
* The Power of Positivity: How to Harness the Power of Positive Thinking to Improve Your Life (2017)
* Chicken Soup for the Soul: Think Positive: 101 Stories About Making the Most of Every Moment (2016)
* The 7 Keys to a Joyful Life: How to Unlock the Secrets to a Happy, Healthy, and Fulfilling Life (2016)
* Chicken Soup for the Soul: Think Positive: 365 Daily Inspirations to Lift Your Spirits (2015)
* Chicken Soup for the Soul: Think Positive: The Power of Positive Thinking (2014)
* The Power of Positivity: 10 Ways to Transform Your Life (2013)
* The Power of Positivity: 10 Ways to Transform Your Life for the Better (2012)
* The Power of Positivity: 10 Ways to Transform Your Life Now (2011)
* The Power of Positivity: 10 Ways to Transform Your Life Today (2010)
* The Power of Positivity: 10 Ways to Transform Your Life Tomorrow (2009)
* The Power of Positivity: 10 Ways to Transform Your Life in 10 Days (2008)
* The Power of Positivity: 10 Ways to Transform Your Life in 10 Minutes (2007)
* The Power of Positivity: 10 Ways to Transform Your Life in 10 Seconds (2006)
* The Power of Positivity: 10 Ways to Transform Your Life in 10 Words (2005)
E-books:
* Eat More, Live Longer: The Science Behind the Healthiest Diet on the Planet (2019)
* Chicken Soup for the Soul: Think Positive (2018)
* Chicken Soup for the Soul: Think Positive for Kids (2018)
* The Power of Positivity: How to Harness the Power of Positive Thinking to Improve Your Life (2017)
* Chicken Soup for the Soul: Think Positive: 101 Stories About Making the Most of Every Moment (2016)
* **The 7 Keys to a Joyful Life: How to Unlock the Secrets to a Happy, Healthy, and Fulfilling Life