The Happiness Equation reveals nine scientifically backed secrets to happiness, proving that by wanting nothing, and doing anything, we can gain everything we need.

Have you ever been stuck inside on a rainy day?

Although this feels like a 'waste of a day' at first, when you think about it, each day brings an opportunity for an abundance of tiny sparks of happiness.

Maybe being inside can allow you to spend more time with your loved ones or your pet, or read a good book for once in a while.

Developing this ability to notice and appreciate the little things is exactly the thinking Neil Pasricha wants you to embrace through this book, The Happiness Equation.

It's about the simple nature of happiness and how to get more of it into your life - with nine secrets that go against conventional happiness advice.