It's been five years since the events of City of Heavenly Fire that brought the Shadowhunters to the brink of oblivion. Emma Carstairs is no longer a child in mourning but a young woman bent on discovering what killed her parents and avenging her losses. Together with her parabatai, Julian Blackthorn, Emma must learn to trust her head and her heart as she investigates a demonic plot that stretches across Los Angeles, from the Sunset Strip to the enchanted sea that pounds the beaches of Santa Monica. If only her heart didn't lead her in treacherous directions....

Innocent blood has been spilled on the steps of the Council Hall, the sacred stronghold of the Shadowhunters. In the wake of the tragic death of Livia Blackthorn, the Clave teeters on the brink of civil war. One fragment of the Blackthorn family flees to Los Angeles, seeking to discover the source of the disease that is destroying the race of warlocks. Meanwhile, Julian and Emma take desperate measures to put their forbidden love aside and undertake a perilous mission to Faerie to retrieve the Black Volume of the Dead.

When Feyre kills a wolf, a beastlike creature arrives to demand retribution for it. Dragged to a magical land, Feyre discovers that her captor is not an animal. As she dwells on his estate, her feelings for Tamlin transform from icy hostility into a fiery passion that burns through every lie and warning she's been told about the beautiful, dangerous world of the Fae. But an ancient shadow is growing, and Feyre must find a way to stop it.... 

For years there has been peace in the Shadowhunter world. James and Lucie Herondale, children of the famous Will and Tessa, have grown up in an idyll with their loving friends and family, listening to stories of good defeating evil and love conquering all. But everything changes when the Blackthorn and Carstairs families come to London...and so does a remorseless and inescapable plague. 

Simon Lewis is having some trouble adjusting to his new life as a vampire, especially now that he hardly sees his best friend Clary, who is caught up in training to be a Shadowhunter - and spending time with her new boyfriend, Jace. Simon decides he needs a break and heads out of the city - only to discover that sinister events are following him. Realising that the war they thought they’d won might not yet be over, Simon has to call on his Shadowhunter friends to save the day - if they can put their own splintering relationships on hold long enough to rise to the challenge….

Cordelia Carstairs seems to have everything she ever wanted. She’s engaged to marry James Herondale, the boy she has loved since childhood. She has a new life in London with her best friend, Lucie Herondale, and James’ charming companions, the Merry Thieves. She is about to be reunited with her beloved father. And she bears the sword Cortana, a legendary hero’s blade. But the truth is far grimmer.

Love and lies can corrupt even the purest heart.... In the magical underworld of Victorian London, Tessa Gray finds her heart drawn more and more to Jem, while her longing for Will, despite his dark moods, continues to unsettle her. But something is changing in Will - the wall he has built around himself is crumbling. As their search for the truth leads the three friends into peril, Tessa's heart is increasingly torn, especially when one of their own betrays them.

With her mother in a coma and her father hell-bent on destroying the world, Clary Fray is dragged deeper into New York City's terrifying underworld of werewolves, demons and the mysterious Shadowhunters. Discovering the truth about her past was only the beginning. Now the fate of the world rests on Clary's shoulders, but can she master her new-found powers and control her feelings for a boy who can never be hers?

Sebastian Morgenstern is on the move, systematically turning Shadowhunter against Shadowhunter. When one of the greatest betrayals the Nephilim have ever known is revealed, Clary, Jace, Isabelle, Simon and Alec must flee – even if their journey takes them deep into the demon realms, where no Shadowhunter has set foot before, and from which no human being has ever returned. Love will be sacrificed and lives lost in the thrilling and long-awaited final installment of the bestselling and acclaimed Mortal Instruments.

Jace is now a servant of evil, bound for all eternity to Sebastian. Only a small band of Shadowhunters believe he can be saved. To do this they must defy the Clave. And they must act without Clary. For Clary is playing a dangerous game utterly alone. The price of losing is not just her own life but Jace's soul. Clary is willing to do anything for Jace, but can she still trust him? Or is he truly lost?