Its effects are often life changing. But what exactly is it, and why do so many people embrace it? The most influential spiritual movement of the modern age is

"The first part is Ganss' extensive introduction, then follows the documents translated from the official texts with footnotes by Ganss, and finally "Reference

NEW YORK TIMES BESTSELLER. WINNER OF THE CHRISTOPHER AWARD. The Jesuit Guide to (Almost) Everything by the Revered James Martin, SJ (bestselling author of Jesus