Fiction, that generates interesting theological discussion, as it challenges the stereotypes of organized religion generated by man.
How the Mighty Fall: And Why Some Companies Never Give In: Jim Collins
For defeated Christians...the answer is simple, but not easy.
A classic on life's distractions and idols.
If you work at anything, this is a must read. There is also a monograph that talks about how the principles relate to the social sectors, such as education, public service, churches.
Great by Choice: Uncertainty,Chaos,and Luck--Why Some Thrive Despite Them All: Jim Collins,Morten T. Hansen
Read the whole set.