Book 1 in the series.

When sixteen year old JJ O’Malley meets the Fedore brothers, life and everything she has ever known changes forever; family secrets are revealed, make believe becomes real, blood is liquid gold and knowledge could cost her life. JJ runs from the present only to find she’s plunging into the past and getting lost in a battle of good versus evil. Unknowingly, JJ was born with an ancient healing antidote, and learns that her blood is the redemption for one lost soul, causing vampires to hunt her.

Halo: Book 1: The Hunt for the Healer - SRS