From the description:
"Jodi Marshall isn't sure how she went from normal teenager to walking disaster. One minute she's in her junior year of high school, spending time with her amazing boyfriend and her best friend. The next she's being stalked by some guy no one seems to know.After the stranger, Alex, reveals himself, Jodi learns heÆs not a normal teenager and neither is she. With a kiss that kills and a touch that brings the dead back to life, Jodi discovers she's part of a branch of necromancers born under the 13th sign of the zodiac, Ophiuchus. A branch of necromancers that are descendants of Medusa. A branch of necromancers with poisoned blood writhing in their veins.Jodi's deadly to the living and even more deadly to the deceased. She has to leave her old, normal life behind before she hurts the people she loves. As if that isn't difficult enough, Jodi discovers she's the chosen one who has to save the rest of her kind from perishing at the hands of Hades."
More YA than kids.