In his first book, "Spirited Americans," A. E. Jeffcoat celebrated America's optimists, the people who gave this country its character and greatness. He follows it with "Soul Searching," an affirmation of Christian faith through the testimony of pilgrims who have born witness to its historical traditions.

Today, those who turn to God to help them deal with the challenges of a world without a moral compass will derive comfort from treading the same path as Einstein, Schweitzer, and Mother Teresa. Others who have lost their faith, or never found it, can look for encouragement in the lives of...