CASSANDRA CLARE is the author of the New York Times, USA Today, Wall Street Journal, and Publishers Weekly bestselling Mortal Instruments series and Infernal Devices trilogy. Her books have more than twenty million copies in print worldwide and have been translated into more than thirty-five languages. Cassandra lives in western Massachusetts. Visit her online at www.cassandraclare.com. Learn more about the world of the Shadowhunters at www.ukshadowhunters.co.uk.
New York Times bestseller MAUREEN JOHNSON is the author of ten YA novels, including 13 Little Blue Envelopes, The Name of the Star, and The Madness Underneath. Maureen spends a great deal of time online, earning her some dubious and some not-so-dubious commendations, such as being named one of Time magazine’s top 140 people to follow on Twitter. Visit her at www.maureenjohnsonbooks.com or follow her on Twitter at @maureenjohnson.