The technique book will tell you what to do but will not tell you how to do it. That is written above and how true it is. Footwork, toes and heels can be learnt from a book, they have not altered, not since I first became interested. Here is a simple example of something not quite right from the book. A Natural Spin Turn is a pivot not a spin. After all a spin is a spin and a pivot is a pivot. Foxtrot . Feather Step followed by a Reverse Turn.The man going forewards has the straight line. The lady going backwards has to move over slightly, off line. If she follows the book and jams her left foot back diag to centre how do they come back to a good balanced position in the Reverse Turn and not spend the rest of the turn trying to get on balance. Unless the lady does as somebody who it would be hard to contradict says . Turn the hips to the inside of the turn and don't particularly worry where the right foot goes. That's not in the technique book is it. Also turn the right toe inwards slightly, and believe me that's the best advice you will ever get for a Heel Turn.