Blood Sword is now available in Audiobook form through both Audible and iTunes.
Narrated by Michael Slusser, Blood Sword is the second novel in the First Civilization's Legacy Series, and follows the continued adventures of Mercenary Flank Hawk. The first novel, Flank Hawk, is also available in audiobook format, also narrated by Michael Slusser.
If you might be interested, here are the links where you can check it out, including an audio sample:
Links: Blood Sword at Audible and Blood Sword at iTunes and Amazon (which will redirect to Audible)