Here is finally a book both comprehensive, beautiful (and yes I remain primarily a girl) and especially very accessible which gives clear and full of playful magic keys to open the door of happiness! I bought it, read it, and I offered some of my relatives who really need, in short I adopted him and I already know I will open regularly as some clouds reappear. I enjoyed the concrete examples that demonstrate how all the little details of life can change our ability to be (finally) happy! Go for it! and Enjoyez !!