Russ Harris Books
Russ Harris is a medical doctor, therapist, and trainer in Acceptance and Commitment Therapy (ACT). He is internationally known for his books and workshops on psychological well-being and personal development.
Known for: The Happiness Trap, ACT Made Simple: An Easy-To-Read Primer on Acceptance and Commitment Therapy, The Confidence Gap: A Guide to Overcoming Fear and Self-Doubt
Books by Russ Harris

The Happiness Trap
The Happiness Trap is a self-help book based on Acceptance and Commitment Therapy (ACT). Russ Harris explains how the constant pursuit of happiness can be counterproductive and teaches strategies to a...

ACT Made Simple: An Easy-To-Read Primer on Acceptance and Commitment Therapy
ACT Made Simple es una guía práctica y accesible para comprender y aplicar la Terapia de Aceptación y Compromiso (ACT). Russ Harris explica los principios fundamentales de ACT, incluyendo la aceptació...

The Confidence Gap: A Guide to Overcoming Fear and Self-Doubt
This book explores how to overcome self-doubt and fear through the principles of Acceptance and Commitment Therapy (ACT). It provides practical exercises and psychological insights to help readers bui...
Key Insights from Russ Harris
The Myth of Happiness
So many of us grow up surrounded by messages that declare happiness as the ultimate goal of life. Films end with triumphant smiles, advertisements promise joy through consumption, and social media showcases highlight reels of constant satisfaction. But these cultural narratives plant in us a dangero...
From The Happiness Trap
Understanding the Mind
Imagine a mind designed hundreds of thousands of years ago to survive predators and harsh environments. That same mind now navigates a modern world filled with abstract threats—career uncertainty, relationship expectations, endless comparison. The human mind evolved to predict danger, solve problems...
From The Happiness Trap
The Six Core Processes of ACT: Building Psychological Flexibility
If we strip ACT down to its essence, we find six foundational processes. Each functions like a strand in a flexible weave; none stands alone, yet together they create a fabric strong enough to hold the weight of life’s challenges. Acceptance means opening up to what shows up inside—thoughts, feeling...
From ACT Made Simple: An Easy-To-Read Primer on Acceptance and Commitment Therapy
Acceptance and Defusion: Opening Up and Letting Go of Struggle
At the core of ACT is acceptance—the willingness to experience unpleasant thoughts and emotions as they are, instead of trying to suppress them. This doesn’t mean liking your pain or giving up. It means dropping the futile war against reality. You might hear me say that pain is what happens when lif...
From ACT Made Simple: An Easy-To-Read Primer on Acceptance and Commitment Therapy
Understanding the Confidence Gap
The first major idea I explore is the psychological illusion that confidence must come before action. This is what I call the ‘confidence gap’—that gulf between our fears and the behaviors that would help us grow. Many of us believe we must first feel confident before we can speak in meetings, ask s...
From The Confidence Gap: A Guide to Overcoming Fear and Self-Doubt
Applying Acceptance and Commitment Therapy to Confidence
Acceptance and Commitment Therapy (ACT) offers a practical roadmap for closing the confidence gap. Its approach revolves around six core processes: acceptance, cognitive defusion, being present, self-as-context, values, and committed action. Each one transforms the way you relate to your fears. Acc...
From The Confidence Gap: A Guide to Overcoming Fear and Self-Doubt
About Russ Harris
Russ Harris is a medical doctor, therapist, and trainer in Acceptance and Commitment Therapy (ACT). He is internationally known for his books and workshops on psychological well-being and personal development.
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Russ Harris is a medical doctor, therapist, and trainer in Acceptance and Commitment Therapy (ACT). He is internationally known for his books and workshops on psychological well-being and personal development.
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