Opal Cowan has lost her powers. More than that, she is now immune to magic. Opal is an outsider looking in, spying through the glass on those with the powers she once had, powers that make a difference to the world and were her whole world

Until spying through the glass becomes her new power. Suddenly, the beautiful pieces she makes fl ash in the presence of magic. And then she discovers that someone has stolen some of her blood and that fi nding it might let her regain her powers. Or learn if she's lost them forever