Dr. Meg Meeker issues fathers thirty days of challenges to help strengthen their relationships with their daughters. Strong Fathers, Strong Daughters: The 30-Day Challenge is the highly anticipated follow-up companion to the national bestseller, Strong Fathers, Strong Daughters by Dr. Meg Meeker. The 30-Day Challenge takes readers through thirty practical father-daughter activities, meant to strengthen dads in their parenting roles, while also creating honest and thriving relationships.