Your Life in Christ (Design for Discipleship) book by The Navigators 

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 Your Life in Christ, you’ll discover what comes with a saving relationship with Jesus through four Bible studies:
God Cares for You
The Person of Jesus Christ
The Work of Christ
The Spirit within You

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.