Night of Wolves (The Paladins #1) by David Dalglish
Approx. 55,620 words.
Published on May 31, 2011.
Wolf-men, savage creatures given humanoid form in an ancient war, mass along the Gihon River. Led by their packleader Redclaw, they seek to cross the river and claim a land of their own, slaughtering those that would stand in their way. Two paladins must lead the desperate defense to stop the invasion.