Naomi Noviks next book in the Temeraire series will be released in August 2013.
Blood of Tyrants,
http://www.temeraire.org/
So far we've got the following books in this series for those who haven't read them yet:
1. His Majesty's Dragon
2. Throne of Jade
3. Black Powder War
4. Empire of Ivory
5. Victory of Eagles
6. Tongues of Serpents
7. Crucible of Gold