Dirty Blood

"When she kills a wolf one night" Why did she kill a wolf? Was it an accident? What happened here? Classic case of Not Enough Information (NEI). And that last part, what is with randomly adding that she's attacted to mysterious young men? What does that have to do with the price of beans in Boston?

Dirty Blood (Dirty Blood Series Book 1) 

Heather Hildenbrand

In this thrilling novel, Tara discovers a life-changing secret about herself when she kills a wolf one night — and it morphs back into a girl after it dies... Born to hunt werewolves, can she contend with her new fate... and with her attraction to a mysterious young man?