This collection of 11 short stories illuminates the life of the enigmatic Magnus Bane, whose alluring personality, flamboyant style, and sharp wit populate the pages of the #1 New York Times best-selling series, The Mortal Instruments and The Infernal Devices.

The Lightwoods, the Shadowhunters who run the New York Institute, are expecting a new addition to their family: the orphaned son of their father’s friend, Jace Wayland. Alec and Isabelle aren’t too sure they want a new brother, and their parents are not assuaging their fears, too occupied with the dark news that Raphael Santiago, second-in-command of the New York vampire clan, has brought from the Shadow Market.

Simon Lewis has been a human and a vampire, and now he is becoming a Shadowhunter. The events of City of Heavenly Fire left him stripped of his memories, and Simon isn't sure who he is anymore. So when the Shadowhunter Academy reopens, Simon throws himself into this new world of demon hunting, determined to find himself again. Whomever this new Simon might be. But the Academy is a Shadowhunter institution, which means it has some problems.

When 16-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.

When fifteen-year-old Clary Fray heads out to the Pandemonium Club in New York City, she hardly expects to witness a murder - much less a murder committed by three teenagers covered with strange tattoos and brandishing bizarre weapons. Then the body disappears into thin air. It's hard to call the police when the murderers are invisible to everyone else and when there is nothing - not even a smear of blood - to show that a boy has died. Or was he a boy?