A Darker Shade of Magic (Shades of Magic, #1)

by V.E. Schwab

Kell tipped his head so that his copper hair tumbled out of his eyes, revealing not only the crisp blue of the left one but the solid black of the right. A black that ran edge to edge, filling white and iris both. There was nothing human about that eye. It was pure magic. The mark of a blood magician. Of an Antari.