Kermit, Scott. Augustine: His Thought in Context. New York: Paulist Press, 1995.  

From the Publisher:

“A useful and accessible work, this book introduces readers to Augustine by placing his life and central teachings in the context of his place and time. It displays the development of Augustinianism in a way that is at once chronological, biographical and philosophical, offering readers a better sense of Augustine as a person and a thinker.”

Online:
Amazon