This is a good basic book on discipleship and is suitable for individual or group study.
The chapters include:

The Kind of Person God Uses

Jesus as Lord

A Proper View of God and Man

Evangelism and the Disciple

Recruiting the Prospective Disciple

How to Train a Disciple--Follow Up

How to Train a Disciple--Imparting the Basics

How to Train a Disciple--Conviction and Perspective

How to Train a Disciple--Gifts and Calling

Multiplying Your Efforts

Choosing a Life Objective

ChariotVictor Publishing