Married Catholic layman. Philanthropist. Recipient of the Pro Ecclesia et Pontifice award.

Padre Pio's best American friend.

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In late 1943, while serving with the American Red Cross in the mountainous regions of Southern Italy during World War II, William "Bill" Carrigan met St. Pio of Pietrelcina. He knew immediately that they had a "destiny together." Over the next fifty-seven years, Carrigan labored to make Padre Pio known in the United States of America.

Filled with trials and triumphs, Flow of Grace depicts the never-before-seen biography of a man whose life was characterized by an indomiatable spirit of charity, a bright passion for Catholic education, and a deep devotion to Padre Pio.

This story, drawing from dozens of Carrigan's handwritten letters and the testimonies of his family and friends, takes readers through the adventurous true tale of how an Iowa farm boy participated in the flow of God's grace during history's bloodiest century.