I was disappointed by this book. There was a time, I had already bought the "Small Treaty of manipulation for honest people" (which I absolutely love). And reading this, I was shocked to find the same topics, the same examples, and sometimes even whole passages "copy / paste"! One subject is more developed, it's true. But other than that, I had to make me feel ripped off.
I therefore strongly advise not to buy this book, but rather the "Little treaty ..", which is much more complete.