The book is an updated version of Endgame Strategy by the same author. I remember trying to study that book years ago having no success because of the advanced level required to benefit from it.
The current book discusses various topics such as the state of chess, computers and even some theoretical but really interesting discussions. It also contains parts of a book previously only available in Russian, so it is really a combination of those two previous books with the addition of really interesting insights on more recent publications by other authors.
My favourite part of the book was the commentary the author gives on other important books and the recommendations he gives out on what books to study.
Although the quality of the book and the knowledge of the author are evidently world class, the book doesn't deliver on the promise of its title. It recommends an approach to build an opening repertoire, one that I am planning to follow, and it also gives out general ideas on how to train young candidate masters, players who already are quite strong (around 2200 ELO) and are seeking to reach the master or even grandmaster level.
Unfortunately, most of the book buyers are not going to be strong uprising candidate masters and/or their trainers. That's the reason why I don't think a person looking for a book on how to improve in chess will benefit greatly from reading the title.