“Book Descriptions: Who says a Villain can’t have a happy ending?
Maddy is the opposite of interesting. She follows all the rules, colors inside the lines, and never, ever runs with scissors. It's one of life's great mysteries that she's best friends with Leo Romano. They couldn't be more different if they tried.
On Maddy's seventeenth birthday, her beloved Grams gives her a DNA test as a present. It turns out, there's a lot more lurking in Maddy's blood than plasma and red blood cells.