Start with high-confidence christian biography books, then narrow by subgenre or adjacent topics.
The Light Within Me
Ainsley Earhardt
Gifted Hands
Ben Carson, M.D., Cecil Murphey
Prophet With Honor, Kids Edition: the Billy Graham Story
William C. Martin
Gifted Hands, Revised Kids Edition
Gregg Lewis, Deborah Shaw Lewis
Defending the Line
Alex Carpenter
Joshua's Family
Joseph F. Girzone
Who Was Mother Teresa?
Jim Gigliotti
Joshua and the Children
Joseph Girzone
The Children's Book of Saints and Angels
Claire Llewellyn
The Autobiography of George Muller
George Muller
Mother Teresa (national Geographic Kids Readers, Level 1)
Barbara Kramer
Saint Patrick the Forgiver
Ned Bustard
The Book of Saints and Heroes
Lang
We Can Be Brave
Mariann Edgar Budde
