"A brilliant, wide ranging and powerful series of readings on the possibilities, problems and mysteries of faith. This book belongs on the shelf of every believer—and every serious skeptic." — Rabbi David Wolpe, author of Why Faith Matters

"This life-giving, faith-filled and hard-nosed collection reveals why, as St. Anselm wrote, true faith always seeks to understand." — Rev. James Martin, author of My Life with the Saints

From Dr. Francis Collins, New York Times bestselling author of The Language of God, comes the definitive reader on the rationality of faith.