The complete works of the famous Jewish historian. The Works of Flavius Josephus. William Whiston, Translator [1737].
This book talk about the background of the New Testament for years.
The works of Jewish historian, Josephus (37-100 ca), are major sources of our understanding of Jewish life and history during the first century.
War of the Jews, or The Jewish War, or Jewish Wars, or History of the Jewish War (commonly abbreviated JW, BJ or War)