Original Sin — Tracey H. Kitts

This is Book Four in the Lilith Mercury, Werewolf Hunter series. Peter was Lilith's first love--and the first person to call her a monster. Despite their past, Lilith would save him if she could, but when Peter is infected with lycanthropy and becomes determined to challenge Marco for the position of lupinus regalis, wolf king, she faces a hard choice. Warning: This book contains sex, graphic violence, and graphic language. No werewolves were harmed in the making of this book.