All the Rage (King, #4.5)

They call me Rage.
My real name is like a shadow, always close behind, but never quite able to catch up to me.
I fly under the radar because no one ever suspects I’m capable of the kind of brutal violence I commit each and every day.
You see, I’m a girl. I’m nineteen.
And I'm a killer.
I look like a goddamn cheerleader, but can take out a man three times my size in more than as many ways, without hesitation.
This life is all I know. It’s all I want to know. It keeps the shit buried that I need kept buried. It allows me to live without thinking too much.
Without dwelling on the past.
Until him.
It all changes when an ordinary boy becomes my next target.
And my first love.
I have to choose.
The only life I’ve ever known has to die, or he does.
Either way, I’ll be the one pulling the trigger...