Cassandra Clare is the author of the internationally bestselling Mortal Instruments, The Infernal Devices, The Bane Chronicles, The Dark Artifices, The Shadowhunters Codex and Tales from the Shadowhunter Academy. Her books have more than 36 million copies in print worldwide and have been translated into more than thirty-five languages. The Mortal Instruments: City of Bones is a major movie and Shadowhunters is airing on Netflix. Cassandra lives in Massachusetts, USA. Visit her online at CassandraClare.com. Learn more about the world of the Shadowhunters at UKShadowhunters.com. Sarah Rees Brennan is the author of The Demon's Lexicon, the Lynburn Legacy series, and the novels Tell the Wind and Fire and In Other Lands. Find her on Twitter: @sarahreesbrenna Maureen Johnson is the New York Times and USA Today bestselling author of 13 Little Blue Envelopes, Suite Scarlett, and The Name of the Star. Maureen lives in New York, and online on Twitter. Kelly Link is the author of the collections Stranger Things Happen, Magic for Beginners, Pretty Monsters, and Get in Trouble. She is the co-founder of Small Beer Press and currently lives in Massachusetts. Robin Wasserman is the author of the Seven Deadly Sins series, Hacking Harvard, the Skinned trilogy, and The Book of Blood and Shadow, as well as Girls on Fire, her first novel for adults. She lives in New York.