Many of these recommended authors have additional books, not listed here, that may be great for your group.
A 6 Session Study
A podcast to help you become the man God created you to be.
The Key to Developing the Winning Edge for Life
Exercise the God-Given Place You Were Created For
You Can Destroy What Steals Your Strength
The Path To Restoring the Heart of a Man
Faithful in the Fire
Becoming a Completely Committed Follower of Jesus
Everlasting Wisdom for Everyday Life