Glass Sword (Red Queen #2) by Victoria Aveyard (2016)

YA Fiction | Fantasy
Blurb:

“Mare Barrow’s blood is red—the color of common folk—but her Silver ability, the power to control lightning, has turned her into a weapon that the royal court tries to control.
The crown calls her an impossibility, a fake, but as she makes her escape from Maven, the prince—the friend—who betrayed her, Mare uncovers something startling: she is not the only one of her kind.  Continue reading →