Pray, Hope, and Don't Worry: True Stories of Padre Pio Book I, written by Diane Allen and published by Padre Pio Press features 55 chapters and is a glimpse into the life and spirituality of St. Pio of Pietrelcina, who has often been called "The greatest mystic of the 20th Century."

Forty individuals, all who either met Padre Pio personally or attended his Mass, were interviewed for this book. The author and her husband, Deacon Ron Allen, have traveled to many parts of the United States in order to record the personal testimonies of Padre Pio's friends from near and far.

Other chapters in the book which examine Padre Pio's unique spirituality are titled, The Transverberation, The Extraordinary Perfume of Padre Pio, Padre Pio's Way of the Cross, Padre Pio's Love for the Virgin Mary, Answered Prayers, Padre Pio's Holy Death, and more.