Witches of Castle Falls Series by Phaedra Weldon

Ginger Blackstone had been looking for a change in her life. Getting a call from her home town’s Sheriff with the message, “We’ve arrested your grandmother for murder,” wasn’t it.Three bodies later and Ginger finds herself, and the hot new small-town doctor, up to their broomsticks in trouble. Ginger sets out to find the real killer before her missing sister’s name shows up on a list of the dead in The Book of Ill Deeds. A Paranormal Cozy Mystery.

When the Oak King of legend turns up dead on Melody’s greenhouse floor, Ginger Blackstone and company set out to discover the killer to restart the Wheel of the Year. But will they succeed when they find themselves up against the Queen of Fairy, an infamous Fellow, a crippling winter storm, and the Goddess Arianrhod Herself?