Sony Reader Store too. I don't know if the ebook editions were published yesterday or as long as a month or more ago, but I do know I have been clicking on that Amazon link to publishers for a long, long time. I just noticed now.
This Pulitzer Prize winner is one of my all time favorite reads, and I wanted to share the good news. If you aren't familiar with it, read some of the almost 1000 reviews...
http://www.amazon.com/A-Confederacy-...3996809&sr=1-1
http://ebookstore.sony.com/ebook/joh...00000000184117