Curse the Past - The Harstone Legacy, #4

When the coven leader can't help you, it's a pretty good sign that you're in trouble. Sadie Goodwin has been trying desperately to learn to be a witch, and so far she has managed to craft the grand total of one successful spell. Her Destined Beloved has left Walker Bay and cut all contact, and teenagers around town are falling victim to curses that shouldn't exist. Darkness seems to be settling over Walker Bay, and Sadie is feeling it deep within her soul.
Someone is playing games, and it's taking everything Sadie has to keep up. When somebody she loves is threatened, Sadie knows she's going to have to dig deep and find the witch she was meant to be. If only that witch didn't fill everybody, including Sadie, with fear.