Shadowfever - Karen Marie Moning

“Evil is a completely different creature, Mac. Evil is bad that believes it’s good.” — MacKayla Lane was just a child when she and her sister, Alina, were given up for adoption and banished from Ireland forever. — Twenty years later, Alina is dead and Mac has returned to the country that expelled them to hunt her sister’s murderer. But after discovering that she descends from a bloodline both gifted and cursed, Mac is plunged into a secret history: an ancient conflict between humans and immortals who have lived concealed among us for thousands of years. What follows is a shocking chain of events with devastating consequences, and now Mac struggles to cope with grief while continuing her mission to acquire and control the Sinsar Dubh -- a book of dark, forbidden magic scribed by the mythic