The Infernal Devices: Clockwork Angel

A prequel to Cassandra Clare's Mortal Instruments series, The Infernal Devices is the story of Tessa Gray, a sixteen-year-old American girl traveling alone to Victorian London who runs afoul of the city's sordid supernatural underworld. Rescued by the Shadowhunters of the London Institute, Tessa quickly finds herself caught up in an intrigue that may very well destroy her new friends - including the two enigmatic young men, Jem and Will, who have taken her under their wing...

Cassandra Clare vaulted onto the publishing scene with her first YA novel, City of Bones, and has published three other bestselling novels in The Mortal Instruments series. First published in August of 2010, Clockwork Angel marked the first installment of Cassandra's The Infernal Devices trilogy and debuted at #1 on the New York Times list.