If you're a student of Greek, you'll appreciate this handy volume. It gives you the complete Septuagint text in parallel columns with Brenton's English translation. You'll gain a better understanding of the Scriptures because the Septuagint vocabulary is frequently found in quotations and terms used by the New Testament writers. 1378 pages, hardcover from Hendrickson.

This edition of The Septuagint with Apocrypha (the ancient Greek translation of the Hebrew Old Testament and the apocryphal books of the same linguistic origin) gives the complete Greek text along with a parallel English translation by Brenton.