From ABNA Website
There’s still time to read excerpts from the twenty-five finalists. On May 21, five lucky people will move on to the finals. At that time, people with Amazon accounts can vote for the winners. The voting period runs from May 21-29, 2013. The winner’s announcement will be June 15, 2013.
Here is the link for anyone who wants to read some excerpts. They are only about fifteen pages long, and are the beginning of each of these manuscripts.
Amazon.com: Amazon Breakthrough Novel Award