Cassandra Clare returns to the world of Shadowhunters in her newest series, The Dark Artifices, a sequel to the bestselling Mortal Instruments series.

Sixteen-year-old Clary Fray is an ordinary teenager, who likes hanging out with her friends. But everything changes the night she witnesses a murder, committed by a group of teens armed with medieval weaponry. The murderous group are Shadowhunters, secret warriors dedicated to driving demons out of this dimension and back into their own.

With her mother in a coma and her father hell-bent on destroying the world, Clary is dragged deeper into New York's terrifying underworld of werewolves, demons and the mysterious Shadowhunters. Discovering the truth about her past was only the beginning, now Clary must save the world from her own father - the rogue Shadowhunter Valentine.

With two of the Mortal Instruments now in Valentine's hands, the world of the Shadowhunters teeters on the brink of civil war. Jace and the Lightwoods are recalled to Idris, the Shadowhunters' remote and hidden home country, where a search has begun for the last of the Instruments, the Mortal Glass.

Simon Lewis is having some trouble adjusting to his new life as a vampire. He hardly sees his best friend Clary, who is caught up in training to be a Shadowhunter and spending time with her new boyfriend. Simon decides he needs a break and heads out of the city, but sinister events are following him.

Clary and the Shadowhunters struggle to piece together their shattered world after a betrayal by one of their own leaves them reeling.

Darkness has descended on the Shadowhunter world. Chaos and destruction overwhelm the Nephilim as Clary, Jace, Simon, and their friends band together to fight the greatest evil they have ever faced: Clary's own brother. Nothing in this world can defeat Sebastian - but if they journey to the realm of demons, they just might have a chance. Lives will be lost, love sacrificed, and the whole world will change. Who will survive the explosive sixth and final instalment of the 'Mortal Instruments' series?

He is facing an existence behind bars, banished from the rest of the magical community for what he is - for what he might become.But a shocking revelation has promised freedom - at a cost.This fourth year at the Magisterium will be unlike anything else that has gone before . . . 'I can't wait to read more of this series!' - Rick Riordan

The final, thrilling instalment in this extraordinary series from bestselling authors Holly Black and Cassandra Clare.Facing up to what he is, Callum has battled chaos and evil across four years of magical training at the Magisterium, eventually defeating the armies of chaos in an epic battle. But the evil Callum faced has not given up just yet .