Start with high-confidence saints & sainthood books, then narrow by subgenre or adjacent topics.
The Life of Saint Teresa of Avila by Herself
Teresa of Avila, J. M. Cohen
The Book of Saints
Jo Rose
Bullies and Saints
Zondervan, John Dickson
The Little Flowers of St. Francis of Assisi
Ugolino di Monte Santa Maria, St. Francis
The Saint and the Sultan
Paul Moses
On This Day in Christian History
Robert J. Morgan
Early Christian Martyr Stories
Bryan M. Litfin
Angels & Saints
Eliot Weinberger, Mary Wellesley
Unruly Saint
D.L. Mayfield
No Greater Love
Mother Teresa, Thomas Moore
The Meaning of Mary Magdalene
Cynthia Bourgeault
St Francis of Assisi
G.K. Chesterton
The Heart of Perfection
Colleen Carroll Campbell
