The Creighton Model The Ultimate Catholic Wedding Planner book by Stephanie Calis Taking Charge of Your Fertility: The Definitive Guide to Natural Birth Control, Pregnancy Achievement, and Reproductive Health by Toni Weschler, MPH What’s Going On In My Body? All About the Female Cycle, Periods and Fertility by Elisabeth Raith-Paula MD. A book for girls aged 10-13 years old. Altogetherbeautiful.net Naturalwomanhood.org