From spiritualityandpractiice.com: These volumes … chronicle what’s been changing in spirituality. These are essential books for anyone wanting to grasp a spiritual movement that underlies much that’s been happening in the western, somewhat post-religious, world in the last quarter century.
link: https://www.spiritualityandpractice.com/book-reviews/view/29729/interspirituality-volumes-1-and-2
