Dial Em for Murder

Sixteen-year-old Emmy Danvers was just trying to write a halfway decent romance novel when a senile old man mumbled a cryptic warning, tackled her to the ground in the middle of Starbucks, and...died right on top of her.

Unfortunately for Emmy, the incident wasn't quite as random as she thought, and it turns out that the old man might have taken a bullet for her. Not only that, he slipped something into her pocket: a digital tablet containing secrets that she has no idea how to unlock, but ...