The Isle (Chronicles of the Irish Princess Book 1)

Leah is just an ordinary girl who grew up in Oklahoma. Or at least that is what she thought. Upon arriving at her family's ranch with her twin brother, Luca and best friend, Sarah, Leah makes discoveries about her family history that changes her life together.
Along with battling a life threatening demon, Leah struggles with love. For her self, her mate and for those around her. In order to destroy the evil that plagues her family, she must also lose someone close to her.