Title: I Am Her Revenge
Author: Meredith Moore
OMG THIS BOOK IS THE WORST.
The premise SOUNDS good. Vivian is raised as a weapon, developing all kinds of spy skills and presumably killing skills. All of this is because something HORRIBLE happened to Vivian's mother, and Vivian is expected to exact revenge.
I'm going to spoil the plot now, but that doesn't matter because you should DEFINITELY not read this book.
So the horrible thing? The one that happened to her mother? Is that someone dumped her. THAT'S IT. Some dude was an asshole in high school. If we all raised killing machines when this happened, we would have an ENTIRE GENERATION of killing machines.
Vivian just got downgraded from ninja warrior to insane over-reaction. So dumb.
Full disclosure: I bought it, and I have regrets.