Over 7 Million Sold in the Series For fifty years, the bestselling Design for Discipleship Bible study series (DFD) has offered millions of new and experienced believers a chance to learn firsthand what it means to be a modern-day disciple of Jesus. Every study can be used individually, in one-on-one discipleship, or with small groups. In Growing in Discipleship, you’ll discover what a life of following Christ looks like through five Bible These field-tested studies offer interactive, discussion-prompting questions that inspire and nurture growth toward Christian maturity. There are seven studies in the series and a leader's guide. Go in order or choose the topic that best fits your need.