Laughter is by far the best medicine (Nothing Is The Matter)

The truth of the matter is that laughter is a very healthy thing to do - it encapsulates the ‘living in love’ philosophy in a way that can actually demonstrate its effectiveness. Laughter releases endorphins that not only feel good, but are actually proven to reduce stress levels and improve immunity and antibodies, thereby improving your resistance to disease and infection.
We really have nothing to fear in life. You are a powerful being and the universe will open up its secrets if you're keen to know more. This book pokes around various elements of nature and its curiosities and it'll open your mind to new possibilities.