This translation of the second---revised and expanded---Spanish edition is a comprehensive introduction to the Septuagint, the first translation and interpreation of the Hebrew Bible, and to other Greek versions of the Bible. The volume deals fully with the origins of the Spetuagint, including its linguistic and cultural frame, its relation to the Hebrew text and to the Qumran documents, and its transmission and reception by jews and Christians. it includes the early revisions, Aquila, Symmachus and Theodotion, the Christian recensions and particulary Origen's Hexapla, biblical commentaries and catenae, as well as other issues such as the relation of the Septuagint to Hellenism, to the New Testament and to early Christian literature. It will prove particuarly useful to biblical scholars and students of theology, ancient history, philology, and to those interested in the history of judaism and the origins of Christianity.