The Silvered — Tanya Huff

From the author of the bestselling Blood books, a brilliant new tale of shape-changers, mages, soothsayers, and a power-mad emperor.

The Empire has declared war on the small, were-ruled kingdom of Aydori, capturing five women of the Mage-Pack, including the wife of the were Pack-leader. With the Pack off defending the border, it falls to Mirian Maylin and Tomas Hagen -- she a low-level mage, he younger brother to the Pack-leader -- to save them. Together the two set out on the kidnappers' trail, racing into the heart of enemy territory. But with every step the odds against their survival, let alone their success, grow steeper...