My acupuncturist loaned me one of the author's Qigong videos, which was not bad. Ordered this for reference. I think you need both video and book--the book to understand what is happening that you don't see, that you should be doing, and the video for helping you practice the timing and the flow of the movements. Oh, I forgot to add, to each his own. I know there are super technical and theoretical qigong books and DVDs out there, which is not for me at the time. She gives what you need to know More...

Read it but need to read it again. Very practical book with useful diagrams throughout. Good explanation of what qigong is and how it benefits. Just didn't have time to actually do it yet.