The secret of happiness is in your hands, that treasure so sought after by many that it seems to be hidden. .This little book will serve you a lot if you use it well and best of all, is that no matter how old you are, if it no longer seems so cool and you feel too old for a book full of pictures, your answers will continue to help you. for life. With this manual, you will not only have the treasure map, but also the key that opens the trunk, because by performing each of the 37 missions, you will learn the magic formula for happiness, which will work for you anywhere and at any age, because Being happy is simply being happy.