It's been available for purchase on Amazon for a few weeks now, but for those with other devices: Iyetra – Book 03: Proxy War is now on sale!
Pick it up now on the iBookstore for iPhones and iPads, Barnes & Noble for the Nook and Nook reader apps, and Kobo.
You can also get a DRM-free ePub from Goodreads if you have other devices or applications you'd prefer to read it in.
Be sure to fan Iyetra on Facebook, or follow it on Twitter, to get more information about the upcoming release of Iyetra – Book 04, slated for release in April 2011!