In response to "mad russian". I agree with your comments. Alex Moore's book, good as it is, is a little bit dated. Very good dancers don't dance as it is written in the book. If you really struggle, you can make the book's text and diagrams nearly fit in some cases. But these attempts in this only underline the point that dancing has moved on a little. The diagram for the closed change doesn't show the way it is done. I followed this for a long time while i was a beginner, and had to learn the correct technique later. I'm sure i'm not the only one, and that's not the only example
I am a traditionalist at heart, but my top priority is good dancing