Yes, it is very good. It is the best book on how to beat loose limit Hold'em games. The author, Ed Miller is a very good teacher. If you get the book and have questions, you can ask him directly at his blog:
www.notedpokerauthority.com
Edit: I have a noncommercial webpage with my book and dvd recommendations, as well as links to other poker resources here:
uDevil's Poker Page