The Septuagint is a Jewish translation from the 3rd century BC onwards. And became the central basis of Judaism in the Greek-speaking world. For the Old Testament, it is the most important source of the Hebrew-Masoretic text and the only very incomplete biblical texts from Qumran. It also gives an insight into the theology and the literary understanding of ancient Judaism. New Testament authors frequently quote the Old Testament in the form of the Septuagint; in the Orthodox Churches it is still regarded as the official text of the Old Testament. 
The Septuagint research forms a separate part which is at the intersection with ancient Judaism and the historical and exegetical oriented science within theology. This book has grown out of the 5th International Meeting of the project Septuagint German in July 2014 in Wuppertal.