Professor Suheil Bushrui teaches at the University of Maryland, MD.Dr Mehrdad Massoudi is a full-time researcher at the Department of Energy and an adjunct professor at the Biomedical Engineering Department, Carnegie-Mellon University in Pittsburgh, and author of numerous articles on world religions.

“A helpful travel guide to today's global religious community… neither lightweight nor unnecessarily dense … a well-grounded starting point for understanding the interrelationships, commonalities and differences of faiths, and for seeing development of religious expression through time.”