Shadowfever

This thrilling fantasy novel follows MacKayla Lane as she returns to Ireland to hunt her sister's murderer. However, she soon discovers a secret conflict between humans and immortals that has been raging for thousands of years. Mac must navigate this dangerous new world while grieving and trying to control a powerful magical book. From luxury penthouses to seedy nightclubs, and from her lover's bed to the Unseelie King's, Mac's journey will force her to face her destiny and make a choice with devastating consequences.