From the international bestselling author who defined romantasy: the epic Shadowhunter series about forbidden love, power and demon hunting
First in Cassandra Clare's internationally bestselling Infernal Devices trilogy about the Shadowhunters.

First in Cassandra Clare’s internationally bestselling romantasy trilogy, The Infernal Devices, about the world of the Shadowhunters.

Love is the most dangerous magic of all. The Infernal Devices is the prequel series to The Mortal Instruments, set in Victorian London.

City of Bones is a major movie, and Shadowhunters a smash Netflix show.

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… This edition contains a map and a new foreword by Cassandra Clare.

Read all the sensational books in The Shadowhunter Chronicles: The Mortal Instruments, The Infernal Devices, Tales from the Shadowhunter Academy, The Bane Chronicles, Ghosts of the Shadow Market, The Dark Artifices, The Last Hours and The Shadowhunter's Codex.

LOOK OUT FOR THE WICKED POWERS – COMING IN 2026. AVAILABLE TO PRE-ORDER SOON.