The 10-Minute Rejuvenation Plan: T5T: The Revolutionary Exercise Program That Restores Your Body and Mind by Carolinda Witt
Carolinda Witt has taught the five rites to 700 people and has a background iin yoga. Her book goes into great detail about the rites. breathing, and core stability.
I haven't tried out everything in the book, but her advice about breathing has enabled me to free up breathing through my whole torso. The level of detail about the fourth rite is helping me smooth it out.