St. Ignatius Loyola, founder of the Jesuits, is one of the most influential spiritual leaders of all time, yet many readers find his Rules for Discernment hard to understand. What can Ignatius teach us about the discernment of spirits that lies at the very heart of Christian life? In The Discernment of Spirits, Fr. Timothy Gallagher, a talented teacher, retreat leader, and scholar, helps us understand the Rules and how their insights are essential for our spiritual growth today. By integrating the Rules and the experience of contemporary people, Gallagher shows the precision,...