The Heart and Mind of John XXIII: His Secretary's Intimate Recollection by Loris Capovilla is a profound recollection of Pope John XXIII. As his personal secretary, Capovilla provides personal insights into the spirituality, thoughts, and character of Pope John XXIII. The book highlights the humanistic and theological aspects of the Pope, known for his humility. Through Capovilla's recollections, readers are brought closer to understanding Pope John XXIII's vision for leading the Catholic Church.