Below are the MasterLife books for the MasterLife Bible Study as well as a couple of other Discipleship books we endorse.  If you are doing the MasterLife class, and plan to commit to studying the full course, we suggest buying the full set which includes all 4 books.

From Amazon:


Another Resource we use for these books is the Christianbook Group: (many times they have the best price):

325790: MasterLife 1: The Disciple"s Cross MasterLife 1: The Disciple’s Cross
By Avery T. Willis Jr., Kay Moore / Lifeway   The Disciple’s Cross is the first in the four-part MasterLife series. MasterLife is a sequential, developmental, small-group discipling process that enables you to make Christ Master and to master life by developing a relationship with Him. The Disciple’s Cross offers six weeks of lessons, each designed to take you to a deeper level of knowledge and commitment in your Christian walk.
325806: MasterLife2: The Disciple"s Personality MasterLife2: The Disciple’s Personality
By Avery T. Willis Jr., Kay Moore / Lifeway  MasterLife is a sequential, developmental, small-group discipling process that enables you to make Christ Master and to master life by developing a personal, lifelong, relationship with Him. The Disciple’s Personality is the second workbook in the MasterLife series.
325813: MasterLife 3: The Disciple"s Victory MasterLife 3: The Disciple’s Victory
By Avery T. Willis, Jr. / Lifeway  MasterLife 3: Disciple’s Victory is the third Bible study in a series of four that helps Christians gain victory over the world, the flesh, and the devil. This six-week study helps believers develop their prayer lives and gain skills in using God’s Word. A prayer retreat follows this study in which disciples experience God directing their future. Additional available resources include leader helps and videos.
325820: MasterLife 4: The Disciple"s Mission MasterLife 4: The Disciple’s Mission By Avery T. Willis, Jr. /Lifeway  MasterLife 4: Disciple’s Mission completes the series of MasterLife studies. This six-week study helps Christians understand how to be on mission with God and to help others develop growing relationships with Christ. Topics include righting wrong relationships, witnessing through relationships, nurturing new Christians, maturing as a disciple, making disciples, and developing co-laborers with a kingdom perspective. Additional available resources include leader helps and videos.
326414: Masterlife Book Set: A Biblical Process for Growing Disciples Masterlife Book Set: A Biblical Process for Growing Disciples
By Avery T. Willis, Jr. / Lifeway   The MasterLife Book Set contains all 4 MasterLife Member Books (6 sessions each) in a slip case. An excellent resource to help persons move toward maturity in Christ, MasterLife is appropriate for both new Christians and experienced believers in Jesus Christ as Savior. In addition to gaining victory over areas of weakness, participants will be encouraged to master living in the Word, prayer, personal purity, witnessing, and other key disciplines of faith.