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The Infernal Devices

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The Infernal Devices is the prequel series to The Mortal Instruments by Cassandra Clare. It was the second published series in The Shadowhunter Chronicles, but is the first story chronologically.

Set in Victorian London, the series follows Tessa Gray, an orphaned teenage girl who discovers she has the power to shapeshift, abilities that plunge her into a world she never knew existed. She will have to forge an alliance with the Shadowhunters of the London Institute if she wants to survive in this dangerous world.



Audiobook editions

  • Clockwork Angel was narrated by Jennifer Ehle.
  • Clockwork Prince was narrated by Ed Westwick and Heather Lind.
  • Clockwork Princess was narrated by Daniel Sharman.



  • The series is very loosely modeled after A Tale of Two Cities,[1] specially Clockwork Princess, which was always meant to be a loose retelling of the book.[2]
  • The series title refers to the clockwork automatons, created by the main antagonist, which were sometimes referred to as "Infernal Devices" in the trilogy.
  • Cassandra Clare got the idea for the series while on the Blackfriars Bridge, hence the bridge's significance in the series.[3]
  • The US/Canada paperback book covers for The Infernal Devices are being updated (repackaged) and officially replaced with new ones with a more modern look, to be released in September 2015 by Simon & Schuster.[4] The covers were revealed on May 13, 2015 on[5]
  • Simon & Schuster also has further plans to do alternative "adult covers" for the series.[6][7]


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