In reading order
Destination Happiness: 12 Simple Principles That Will Change Your Life
Marc Reklau
Love Yourself First!: Boost Your Self-Esteem in 30 Days
Marc Reklau
The Life-Changing Power of Gratitude: 7 Simple Exercises That will Change Your Life for the Better - Includes a 3 Month Gratitude Journal
Marc Reklau
Words of Wisdom
Marc Reklau