Apostolic Fathers

The Apostolic Fathers: Greek Texts and English Translations, 3rd edition

This is an excellent collection of the Apostolic Fathers that includes the Greek with English translation. Very important for understanding the early church.

Theology of St. Luke

This is an older but important book dealing with the uniqueness of Luke's theology.

Josephus: The Essential Writings

Josephus: The Essential Writings By Paul L. Maier / Kregel Publications "The translation is fresh and exciting. The charts, maps, and illustrations make the book even more useful. This is a must for every pastor who wants to read Josephus,"---Prokope. A careful condensation of Jewish Antiquities and The Jewish War, enhanced by photographs, maps, and illustrations. 416 pages, softcover. Kregel.

This is a very helpful modern translation of Josephus.  The translator condenses the material, providing a very good introduction to this important Jewish historian.