The books below are recommended by leaders at Turner Christian Church. Click on the image to find the book on Amazon.
A great, entry-level explanation of what it looks like to follow Jesus through intentional prayer and discipline.
A thirty-day devotional that includes daily exercises to help you learn how to be Jesus' apprentice.
This book is a great challenge to a lot of the wrong assumptions we make about being a Christian and following Jesus. 
This is a classic text in the meaning of discipleship. It is a more challenging read.
Note: Pastor Matt highly recommends that you avoid anything written about Bonhoeffer by Eric Metaxes. His interpretation of Bonhoeffer does not accurately reflect the man's beliefs about following Jesus.