Cassandra Clare is the #1 New York Times and USA TODAY bestselling author of Lady Midnight, Lord of Shadows, and Queen of Air and Darkness, as well as the internationally bestselling Mortal Instruments series and Infernal Devices trilogy. She is the coauthor of The Bane Chronicles with Sarah Rees Brennan and Maureen Johnson and Tales from the Shadowhunter Academy with Sarah Rees Brennan, Maureen Johnson, and Robin Wasserman. Her books have more than 50 million copies in print worldwide and have been translated into more than thirty-five languages and made into a feature film and a TV show. Cassandra lives in western Massachusetts. Visit her at CassandraClare.com. Learn more about the world of the Shadowhunters at Shadowhunters.com.

Robin Wasserman is the author of Girls on Fire, as well as several bestselling novels for children and young adults. She lives in Brooklyn, New York. Visit her at RobinWasserman.com or follow her on Twitter at @RobinWasserman.