Calling all Shadowhunters fans! Did you know that Cassandra Clare’s newest book, Ghosts of the Shadow Market, is all about fan-favorite Jem Carstairs? Written with Sarah Rees Brennan, Maureen Johnson, Kelly Link, and Robin Wasserman, the book includes 10 stories of Jem’s adventures in Shadow Markets around the world spanning more than a hundred years. That’s a lot of Jem!

Are you Jem’s biggest fan? Take the quiz below to find out!

How Well Do You Know Jem Carstairs?


Now that you’ve proved you’re a Jem expert, take the quiz to find out how well you know Will Herondale!