Bear Naked and Bite Marks by Jenika Snow
Melissa Damien, a wolf shifter, has always lived her life to the fullest. She may have a sassy attitude, but she makes no excuses for who she is. But then she meets her mate in the form of a frightening and dominating bear, and Melissa wonders if being mated is really worth it.
Declan Faylon, a grizzly bear shifter, has worked for the Shifter Intelligence League as a skilled killer since a young age. But since leaving the SIL he is now a mercenary. He never needed anyone in his life, at least not until he sees his mate.
But Declan isn't the only one that wants Melissa. When people start overdosing and are found in cornfields, Declan will have to use lethal training and animal strength to make sure his mate stays safe.