This is pure genius: a must read ! re-read and apply all the advices ! Just do it !
As Socrate used to say: "NOSCE TE IPSUM" (Know yourself). With this book, you will know more about your brain and how you can use this knowledge to improve.
It is really fun to read, as well as concrete and practical. He doesn't just expose the theory: he told the story of experimental studies demonstrating his point.