I've read this a few times. Agree it's good. But....its from 1994 and it really doesnt feel research based. Its also highly counterintuitive in its approach. And at least for me it took a few weeks to work through the first time due to the required work.

His work is a great resource but glancing at this thread theres a few other things that might have higher ROI. At the same time, if you're not substituting with something else, this book is world better than not reading anything.

I should add that I found it during a journey similar to yours, and still use it as a reference.