Blood Trail — Tanya Huff

SILVER BULLETS --

For centuries, they had peacefully coexisted with ordinary humans in Canada. But now death had invaded the peaceful retreat of their London, Ontario farm. For someone had learned their most closely guarded secret. Someone knew they were werewolves and whoever it was determined to destroy them all.

The only one they could turn to for help was Henry Fitzroy, a Toronto-based vampire and writer of bodice rippers. But, forced to hide from the light of day, Henry couldn't hunt down the killer alone. So he called upon Vicki Nelson, ex-policewoman and now a private investigator. Vicki and Henry had successfully worked together before, and once she met the wers, he knew she'd have to take the case.

Yet as silver bullets continued to take their ghastly toll, Henry and Vicki began to fear that even their combined talents might not prove enough to trace the blood trail of destruction to its source before it was too late....