Why Is Behavior of Individuals Different When They Are in A Group?

This is an alphabetical version.  For a subjective ranked version see: Ranked: Why Is Behavior of Individuals Different When They Are in A Group?

Individuals do not behave the same when they are in a group.  Sometimes there are benefits to being in a group.  Sometimes there are dire consequences.  This list of books look directly at group behavior, and their individual member behavior.  



Fiction