How to be Sad: The Key to a Happier Life

The Year of Living Danishly: Uncovering the Secrets of the World's Happiest Country

The Atlas of Happiness: the global secrets of how to be happy

Leap Year: How small steps can make a giant difference

How to Be Sad: Everything I've Learned About Getting Happier by Being Sad

Gone Viking: The laugh out loud debut novel from the bestselling author of The Year of Living Danishly