London, 1878. 16-year-old Tessa Gray's priority should be finding her brother, not falling in love with two boys. She is soon caught in a dangerous love triangle where a wrong decision could prove fatal. Tessa will need all her strength to save her brother and stay alive as she learns about what really lurks on London's streets after dark.

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.

In the magical underworld of Victorian London, Tessa Gray finds her heart drawn more and more to Jem, while her desire for Will, despite his dark moods, continues to unsettle her. But something is changing in Will. Could finding the Magister free Will from his secrets and give Tessa the answers about who she is and what she was born to do?

If the only way to save the world was to destroy what you loved most, would you do it? The clock is ticking. Everyone must choose.

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.

The third, powerful instalment in the Magisterium sequence. The mysteries of the magic school like no other deepen and widen, as best-selling authors Holly Black and Cassandra Clare take readers on an extraordinary journey through one boy's conflict -and a whole world's fate.