JohnConnor wrote:
. . . What I need to know is if there is any type of book or other type of instructional material out there that goes into detail about body language and facial expression. . .
Most books try and approach this in a left-brain fashion, whereas these skills by their very nature are right-brain type of skills (inexact, feel-and-texture skills).
I have learned a lot playing poker, including a league where we just play for points and prizes. And it usually is not a single "tell," but a whole series of actions, what a player does pre-flop, at the flop, at the turn, their "table image," how late in the tournament, how high the blinds, and thus how desperate the person might be getting, etc.