golf iron swing

What is the best golf swing instruction book?
I've always somehow rode with my golf swing, especially with my driver. I can only hit my driver just every so often and I've never been in a position to a 3 or 4 iron. Does anyone have any suggestions for good books that could help me with my swing and perhaps all aspects of my game?
Ben Hogan's "The 5 Lessons: The foundations of the modern golf swing .. Ben Hogan laid the foundation of the swing, used by professionals today ..
Golf Swing Mechanics : How to Hit a Golf Ball With an Iron
What part of the body contributes the most to generating the maximum speed of the golf club head? This single answer allowed me to make a huge leap in my understanding of the golf swing, and in everything I had seen and read about the golf swing none of it emphasized it anywhere near like enough. Click Here To Improve Your Swing
