While I was off work for a week my wife being the good egg she is gave me my fathers day present early,see as how I had lots of time to kill. Like eb said lots of great info. If you don't do alot of the stuff in there I think it could move you along.At the very least make it go alot smoother. I also got Advanced tying,this and the other book do go hand in hand I think. He does give the reasoning between steps that others don't, and tidbits that make it go smoother. If you're just starting out I think it would be a good couple of books to have,and if you've been at it awhile it'll remind you of somethings and show you something too.