The How Of Happiness

Piatkus

The How Of Happiness: A Practical Guide to Getting The Life You Want

The How of Happiness:(by book's seller)          

Shambhala Publications

The Illustrated Happiness Trap: How to Stop Struggling and Start Living.

Brighter Days Life Coaching

The How of Happiness: Book One: Stress and Negativity, Self-Esteem, Judgments and Criticisms (English Edition)

Brighter Days Life Coaching

The How of Happiness: Book Five: Guilt, Shame, Regret, and Grief; Boredom, Low-Motivation, and Procrastination; and Extreme Negativity (Self-Harm) (English Edition)

Brighter Days Life Coaching

The How of Happiness: Book Four: Highly Charged Emotions and Depression (English Edition)

T.H.E. Company

The How of Happiness by Sonja Lyubomirsky: The Happiness Code

Simon & Schuster

The Pursuit of Happiness: How Classical Writers on Virtue Inspired the Lives of the Founders and Defined America (English Edition)

Thomas Nelson

How Happiness Happens: Finding Lasting Joy in a World of Comparison, Disappointment, and Unmet Expectations

Urano

La ciencia de la felicidad/ The How of Happiness: Un Metodo Probado Para Conseguir El Bienestar/ a Prove Method to Getting the Life You Want