Two Tools In One. Growing in Christ is a 13-week course for new and growing Christians. With the trusted Navigator studies Lessons on Assurance and Lessons on Christian Living combined into one practical package, this study is designed to help you master the fundamentals of the Christian life. For individual or group use, these concise studies will help you establish a firm scriptural foundation for your life as you develop habits of Bible study and Scripture memory tear out memory verse cards are included in KIV, NASB and NKJV.