This is mostly for Jehovah's Witnesses.
To help them realize what they are actually
 part of.
Christians would be better served
 reading the Gospels.
They should all be helped to realize and 
understand about their faith: It is a disfellowshipping offense by the leaders of their sect to refuse to join in 
"openly asserting" all their writings are spiritual food 
[and thus above being questioned]. (It's easy to verify what I say. Just consider this video of a real life judicial disfellowshipping by JW's: JustBibleTruth.com/Videos/EditedMeetWithLouAndDaryl.mp4)  
The