Beautiful Ever After

You Are a Badass: How to Stop Doubting Your Greatness and Start Living an Awesome Life

Start Your Day With Katie: 365 Affirmations for a Year of Positive Thinking

The Magic of Thinking Big

Things Get Better

So Good They Can't Ignore You

Beautiful: A beautiful girl. An evil man. One inspiring true story of courage

Feel-Good Productivity: How to Do More of What Matters to You

Still Beautiful: On Age, Beauty and Owning Your Space

He's Just Not That Into You: The No-Excuses Truth to Understanding Guys

A Little Bit of Faith: Hopeful affirmations for every day of the year

Quiet: The Power of Introverts in a World That Can't Stop Talking

Becoming Bulletproof: Life Lessons from a Secret Service Agent

Things I'd Tell My Child

The Surrender Experiment: My Journey into Life's Perfection

Reinventing Your Life: The Breakthough Program to End Negative Behavior...and Feel Great Again

The Tools

The Happiness Advantage: The Seven Principles of Positive Psychology that Fuel Success and Performance at Work

You Are a Badass Every Day: How to Keep Your Motivation Strong, Your Vibe High, and Your Quest for Transformation Unstoppable: The little gift book that will change your life!