Her Alpha's Dark Instincts Series by Mila Loveline

Two nights a month, Adam Grist disappears. He claims it’s a work obligation, but his girlfriend Lydia is starting to suspect otherwise. This time, when he gets on his motorcycle and rides off into the night, Lydia decides to follow him. And within an hour, Lydia finds herself lost and alone in the vast backwoods of Oregon. Grist has a secret—for the past eleven years, he’s been a shifter wolf... moreTwo nights a month, Adam Grist disappears. He claims it’s a work obligation, but his girlfriend Lydia is starting to suspect otherwise. This time, when he gets on his motorcycle and rides off into the night, Lydia decides to follow him. And within an hour, Lydia finds herself lost and alone in the vast backwoods of Oregon. Grist has a secret—for the past eleven years, he’s been a shifter wolf. When he finds himself in wolf form and alone with Lydia in the woods, he has to fight his animal urge to hunt or mate her. But when Grist is forced to come to Lydia’s rescue and she ends up at his feet, his dark instincts might be too primal for him to control. Mate Me Wild can be read as a standalone. It’s a short paranormal romance story with a shifter wolf. 11,500 words. less