The gold chain

Cassandra Clare's new trilogy takes us to Edwardian London: dances, secret loves and evil creatures.
Cordelia Carstairs is a Shadowhunter, a warrior trained to fight demons. When her father is accused of a heinous crime, she and her brother travel to London to avoid the family's ruin. Soon, Cordelia will be reunited with her childhood friends, Jame and Lucie Herondale, and is drawn into their world of elegant dances, secret encounters and supernatural gatherings, where vampires and warlocks mingle with mermaids and magicians.
But Cordelia's new life is turned upside down when demons ravage London. Diabolical beings that are unlike any creature a hunter has ever fought before... In this battle, Cordelia and her friends will discover that a dark legacy has given them incredible powers. Powers that will force them to make such a brutal decision that it will reveal the true price of being a hero.