Between the Birches: Awakening by K.P. Roberson

Between the Birches: Awakening is the first in a new adult, dark romance, folk horror series where magic is real, monsters exist, and nightmares come true. Beneath the hills of Western North Carolina lies an ancient evil, trapped for a millennium. There are many who seek to release it, and only two who can stop them... Newlyweds Beth and Tom Newman are headed to the Appalachian Mountains for a relaxing weekend with their best friend, Grady Cooper. When the trio arrives, they are unexpectedly met by some old friends. Beth’s excitement soon turns to dread when they end up running for their lives. Her twenty-fifth birthday turned out to be more memorable than she had hoped…in the worst of ways.