Alma Katsu 
Reckoning [EPUB ebook] 
(Book 2 of The Immortal Trilogy)

I turned to Luke and reached for him. My blood felt as though it had seized up in my veins."Lanny, what is it?" Luke asked. I clutched his lapel desperately"It’s Adair. He’s free."FOR 200 YEARS SHE’S BEEN HIDINGHe gave her immortality.She tried to destroy him.Now he is searching for her.They must not meet.Or there will be a RECKONING