You can also read The NaProTECHNOLOGY Revolution: Unleashing the Power of a Woman???s Cycle, written by the founder of the Creighton Model and NaProTECHNOLOGY, Dr. Thomas Hilgers (The full book is available on Amazon.com here.) If you are a medical or other healthcare professional, you may also be interested in The Medical and Surgical Practice of NaProTECHNOLOGY, which is an exhaustive textbook/a