Best christian biographies of all time

"To collect, preserve, and make available theological resources for all in search
 of a deeper understanding
 of God"
 

"All Scripture is inspired by God and profitable for teaching, for reproof, for correction, for training in righteousness; so that the man of God may be adequate, equipped for
every good work."
2 Timothy 3:16-17
 

Theology Proper:
A category of study within systematic theology; it denotes the study of the na Great christian missionaries.