Easy to read and thus a wonderful example less that the book of nature is in the language of mathematics is written, as Galileo said, but rather that can be described mathematically, while of course the world. In many cases, rather "Economics" as merely "Mathematics of Love", but you should not feel too tight look downright resorted Economic models act in Frys representation from life: (keyword: "Economics is maths"), but perhaps as a further advantage but always to be dogmatic with a wink and without. Absolut top!
