The Infernal Devices: Clockwork Princess (The Infernal Devices, 3) (Volume 3)

The threat of Mortmains Infernal Devices looms as the Shadowhunters race to work out a way to counteract the mechanical monsters. Meanwhile plans for Tessas marriage to Jem are underway despite her fianc?s failing health and the unresolved feelings between her and Will. When Tessa is captured Will must leave his comrade behind to save the woman they both love... But with the final missing piece--Tessa herself--in Mortmains possession can anything stop his plot for revenge?