Currently in Logos there are 21 volumes in this series which actually covers both Old Testament and Deuterocanonical Books. There is now 26 volumes available. Those not yet in Logos format are:
1 and 2 Kings
Ezra and Nehemiah
Wisdom of Solomon
Sirach
Shorter Books of the Deuterocanon (This covers Baruch, The Letter of Jeremiah, The Prayer of Azariah and the Song of
the Three Young Men, Susanna, Bel and the Dragon, The Prayer of
Manasseh, and Psalm 151)
http://www.ubs-translations.org/cat/helps_for_translators/handbooks/english_series/
