Shadowfever (Fever Series #5)

#1 NEW YORK TIMES BESTSELLER

"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...