Well... As a big fan of this book. How about this, it is very short book, why don't you read it and see if it was valuable? I don't know what else to tell you,

Well... As a big fan of this book. How about this, it is very short book, why don't you read it and see if it was valuable? I don't know what else to tell you, it is very short book, which doesn't diminish quality of the content and insight it provides.