The best book I’ve read on the esoteric topic of the Trinity! Rohr and Morrell somehow take this largely ignored doctrine and turn it into a practical view that can have transformative spiritual impact.

Invitation to a Dance  
The Trinity is supposed to be the central, foundational doctrine of our entire Christian belief system, yet we’re often told that we shouldn’t attempt to understand it because it is a “mystery.” Should we presume to try to breach this mystery? If we could, how would it transform our relationship with God and renew our lives?