This book was born out of a passion for mentoring disciples for Christ. The author has experienced effective mentoring as a follower of Christ. The necessity of mentors is imperative in the lives of children, youth, young adults, and of all ages. The author desires to see positive, encouraging, and Spirit-led mentoring to take place in churches. This book informs the reader regarding biblical, historical, theological, and practical mentoring. It examines the similarities and differences between mentoring and discipleship. It helps leaders understand the ingredients of effective mentoring by looking at Scripture, the role of the Holy Spirit, and applications of mentoring. This book also helps answer the question of how to make a powerful difference in the lives of individuals by the method of missional mentoring. This book will encourage today's servants of the Lord not only to be the hands and feet of Jesus, but to mentor others to become missional. Missional mentoring under the leading and design of the Holy Spirit will transform lives, churches, and communities for the glory of God.