Happiness: as elusive as a working inkjet printer, and as slippery as an eel covered in baby oil.

When we chase happiness, it runs away like a cat when you're trying to give it a bath, but the world of pop psychology is filled with competing advice that either claims it can help you catch it or warns you not to seek it out at all.

Comedian Ariane Sherine is determined to help us find the true path to happiness, and public health expert David Conrad has the key: 50 well-selected research studies that show you exactly what to do to find happiness in your relationships, your friendships, your finances, your sex life and your career.

Using wide-ranging evidence from around the world, Conrad and Sherine show us the true science behind what makes people happy and outline the simple, practical steps we can take to attain this too.

This book has all the facts, stats and entertainment you could ever need to live a blissfully content life. And celebrities weigh in with their own versions of happiness too, so you'll find contributions from Derren Brown, Stewart Lee, Jeremy Vine, Rosie Holt, Femi Oluwole, Robin Ince, Sanjeev Kohli, Bec Hill, Arthur Smith and many more.

Ariane Sherine is a comedy writer and journalist. Her work has appeared in, among others, the Guardian, the Sunday Times, the Observer and the Independent, and she has worked as a scriptwriter for the BBC, Channel 4 and ITV. David Conrad is a consultant in public health who has co-edited several books for health professionals and students, and has published papers in several peer reviewed scientific journals. They are the authors of How to Live to 100.