Probably Imbalances by Silman is better for you.
Positional Decision Making in Chess by Boris Gelfand
https://www.chess.com/blog/smurfo/book-review-gelfands-quotpositional-decision-makingquot
https://chessbookreviews.wordpress.com/tag/positional-decision-making-in-chess/
http://georgiachessnews.com/2015/09/01/review-positional-decision-making-in-chess-by-boris-gelfand/
http://www.qualitychess.co.uk/ebooks/PositionalDecisionMakinginChess-excerpt.pdf
Anyone have this book? What can you say about it?
https://www.amazon.com/Positional-Decision-Making-Chess-Gelfand/dp/1784830054