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. Passion. Power. Secrets. Enchantment. Danger closes in around the Shadowhunters in the third and final instalment of the bestselling Infernal Devices trilogy.

A net of shadows tightens around the Shadowhunters of the London Institute. Mortmain plans to use his Infernal Devices, an army of pitiless automatons, to destroy them. He needs only one last item to complete his plan: he needs Tessa Gray. When Mortmain abducts Tessa, the boys who lay equal claim to her heart, Jem and Will, will do anything to save her. For though Tessa and Jem are now engaged, Will is as much in love with her as ever. Danger and betrayal, secrets and enchantment, and the tangled threads of love and loss intertwine as the Shadowhunters are pushed to the very brink of destruction in this breathtaking conclusion to the Infernal Devices trilogy.

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Don’t miss The Mortal Instruments: City of Bones, now a major motion picture. Step back in time with the Shadowhunters with this collectible hardcover boxed set of the New York Times bestselling Infernal Devices trilogy. Passion. Power. Secrets. Enchantment. The Shadowhunters of the Victorian Age delve into all of these—in addition to darkness and danger—in the Infernal Devices trilogy, handsomely packaged in a boxed set that includes Clockwork Angel, Clockwork Prince, and Clockwork Princess.

Includes excerpts from Clock prince, City of bones, Lady Midnight, and a sneak peek at Vampires, scones, and Edmund Herondale.

"A net of shadows begins to tighten around the Shadowhunters of the London Institute. Mortmain plans to use his Infernal Devices, an army of pitiless automatons, to destroy the Shadowhunters. He needs only one last item to complete his plan: he needs Tessa Gray. Charlotte Branwell, head of the London Institute, is desperate to find Mortmain before he strikes. But when Mortmain abducts Tessa, the boys who lay equal claim to her heart, Jem and Will, will do anything to save her. For though Tessa and Jem are now engaged, Will is as much in love with her as ever. As those who love Tessa rally to rescue her from Mortmain’s clutches, Tessa realizes that the only person who can save her is herself. But can a single girl, even one who can command the power of angels, face down an entire army? Danger and betrayal, secrets and enchantment, and the tangled threads of love and loss intertwine as the Shadowhunters are pushed to the very brink of destruction in the breathtaking conclusion to the Infernal Devices trilogy" -- Goodreads.

Celebrate the tenth anniversary of the first title in Cassandra Clare's internationally bestselling Infernal Devices trilogy with this sumptuous new edition, which contains brand new content.Love is the most dangerous magic of all... First in the bestselling prequel series to The Mortal Instruments, set in Victorian London. Something terrifying is waiting for Tessa Gray in London's Downworld, where vampires, warlocks and other supernatural folk stalk the gaslit streets. Tessa seeks refuge with the Shadowhunters, a band of warriors dedicated to ridding the world of demons. Tessa finds herself fascinated by - and torn between - two best friends...

The threat of Mortmain's Infernal Devices looms as the Shadowhunters race to work out a way to counteract the mechanical monsters. Meanwhile, plans for Tessa's marriage to Jem are underway, despite her fiancé'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 Mortmain's possession, can anything stop his plot for revenge?

The threat of Mortmain's Infernal Devices looms as the Shadowhunters race to work out a way to counteract the mechanical monsters. Meanwhile, plans for Tessa's marriage to Jem are underway, despite her fiancé'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 Mortmain's possession, can anything stop his plot for revenge?