A Whisper to a Scream: The Sociopath Diaries Book 1 by Lauren Hammond.
Lauren Hammon introduces us to the dark side of love when we meet Adam Jacobs, a high school boy with a dark secret, and Ellory Graham, the one person who just might be able to save him.
Ellory is an independent, free spirited girl who is tired of small town life, and ready to be done with high school and leave it behind. Adam is young man with a past, and their worlds collide when he moves to her town.
Adam and Ellory clash at first, mostly because Ellory can't stand his attitude and "type". However, Adam immediately notices how different Ellory makes him feel, and how rare his reaction to her is. Adam has never responded to a girl in this way, and he wonders just how Ellory is different. Ellory begins to respond to Adam despite wanting to stay away from him. She finds they may just connect after all.
As they grow closer as friends and then lovers, Adam's dark past threatens to catch up with them and destroy what they have. As Ellory learns of the truth behind Adam, she will face more than she ever has before.