Clockwork Angel

Magic is dangerous — but love is more dangerous still.
When sixteen-year-old Tessa Gray crosses the ocean to find her brother, her destination is England, the time is the reign of Queen Victoria, and something terrifying is waiting for her in London's Downworld, where vampires, warlocks and other supernatural folk stalk the gaslit streets. Only the Shadowhunters, warriors dedicated to ridding the world of demons, keep order amidst the chaos.
Kidnapped by the mysterious Dark Sisters, members of a secret organization called The Pandemonium Club, Tessa soon learns that she herself is a Downworlder with a rare ability: the power to transform, at will, into another person. What's more, the Magister, the shadowy figure who runs the Club, will stop at nothing to claim Tessa's power for his own.
Friendless and hunted, Tessa takes refuge with the Shadowhunters of the London Institute, who swear to find her brother if she will use her power to help them. She soon finds herself fascinated by — and torn between — two best friends: James, whose fragile beauty hides a deadly secret, and blue-eyed Will, whose caustic wit and volatile moods keep everyone in his life at arm's length... everyone, that is, but Tessa. As their search draws them deep into the heart of an arcane plot that threatens to destroy the Shadowhunters, Tessa realizes that she may need to choose between saving her brother and helping her new friends save the world... and that love may be the most dangerous magic of all.
Cassandra Clare
Cassandra Clare was born to American parents in Teheran, Iran and spent much of her childhood travelling the world with her family, including one trek through the Himalayas as a toddler where she spent a month living in her father’s backpack. She lived in France, England and Switzerland before she was ten years old.
Since her family moved around so much she found familiarity in books and went everywhere with a book under her arm. She spent her high school years in Los Angeles where she used to write stories to amuse her classmates, including an epic novel called “The Beautiful Cassandra” based on a Jane Austen short story of the same name (and which later inspired her current pen name).
The Infernal Devices
Series contains 3 primary works and has 3 total works. Current series reading order on below.
There are three books in the Infernal Devices series: Clockwork Angel, Clockwork Prince, and Clockwork Princess. The Infernal Devices are often called a prequel series to the Mortal Instruments, but only because they take place in an earlier time period and contain some of the Mortal Instruments’ characters’ ancestors. You don’t have to read the Mortal Instruments before The Infernal Devices. You don’t have to read the The Infernal Devices before The Mortal Instruments. You can read them in any order.
Main series Shadowhunters