What price is too high to pay, even for love? Dive into the fifth installment of the internationally bestselling series "The Mortal Instruments" and prepare to be captivated – now featuring a beautiful new cover, a map, a new foreword, and exclusive bonus content! "City of Lost Souls" is a novel about Shadowhunters.

When Jace and Clary reunite, Clary is horrified to discover that the demon Lilith's magic has bound her beloved Jace to his evil doppelgänger Sebastian, and that Jace has become a servant of darkness. The Clave is determined to destroy Sebastian, but there is no way to harm one boy without destroying the other. While Alec, Magnus, Simon, and Isabelle bargain and negotiate with Seelies, demons, and the ruthless Iron Sisters to save Jace, Clary plays a dangerous game of her own. The price of losing is not only her own life but also Jace's soul. She is willing to do anything for Jace, but can she still trust him? Or is he truly lost?

Love. Blood. Betrayal. Revenge. Darkness threatens to claim the Shadowhunters in the shocking fifth book of "The Mortal Instruments" series.