Kel Saren, body double to Prince Conor, and Lin Caster, a healer with dangerous powers, navigate a web of royal conspiracies, criminal underworlds, and dark magic in Castellane, where their choices between love, loyalty, and betrayal could cost them everything, including their lives.

As mysterious murders threaten the new peace between Shadowhunters and Downworlders, only Simon, the Daylighter vampire, can help bring both groups together.

Still pursuing a cure for her mother's enchantment, Clary uses all her powers and ingenuity to get into Idris, the forbidden country of the secretive Shadowhunters, and to its capital, the City of Glass, where with the help of a newfound friend, Sebastian, she uncovers important truths about her family's past that will not only help save her mother but all those that she holds most dear.

Emma resolves to avenge the deaths of her parents and foil a demonic plot while her parabatai, Julian, struggles to bond with a returned brother who does not recognize him.

Ryland Grace is the sole survivor on a desperate, last-chance mission--and if he fails, humanity and Earth itself will perish. Except that right now, he doesn't know that. He can't even remember his own name, let alone the nature of his assignment or how to complete it. All he knows is that he's been asleep for a very, very long time. And he's just been awakened to find himself millions of miles from home, with nothing but two corpses for company. His...