The second volume of NovAntiqua’s Latin-English edition of the Summa Theologiae of St. Thomas Aquinas is on the way, but we’re still in the final stages of proofing, so it won’t be up on Amazon.com until after Easter.
We’ll keep you posted and let you know when it’s available!
Update: We’re happy to announce that Volume II is now available on Amazon.com.
NovAntiqua 
How many volumes do you hope to make?
We’re doing the entire Summa, one volume at a time, and we anticipate the complete set being between eight and ten volumes.