When sixteen-year-old orphan Tessa Fell's older brother suddenly vanishes, her search for him leads her into Victorian-era London's dangerous supernatural underworld, and when she discovers that she herself is a Downworlder, she must learn to trust the demon-killing Shadowhunters if she ever wants to learn to control her powers and find her brother.

"Darius, son of Marklon, isn't looking for love the night destiny comes to claim him. He's also not interested in crashing his new car. But when a human woman runs out into the road and he must swerve to avoid killing her...everything goes off course. Disillusioned by his King's lack of leadership and the losses in the war against the Lessening Society, Darius finds purpose in protecting a woman he cannot make his own. Love finds a way, however--until...

Vulnerable to the lethal terms of their recruitment, six Alexandrians grapple with the ethics of their astronomical abilities while the outside world mobilizes to destroy them, forcing them to decide what they're willing to betray for limitless power and who will be destroyed along the way.