Holly Black (Author) Holly Black is the bestselling author of contemporary fantasy novels for teens and children, including Tithe: A Modern Faerie Tale and the #1 New York Times bestselling Spiderwick series. She has been a finalist for the Mythopoeic Award and the Eisner Award, and the recipient of the Andre Norton Award. Holly lives in Massachusetts with her husband, Theo, in a house with a secret library. Her website is www.blackholly.com. Cassandra Clare (Author) Cassandra Clare is the author of the #1 New York Times, USA TODAY, Wall Street Journal, and Publishers Weekly bestselling Mortal Instruments series, The Infernal Devices trilogy, and The Bane Chronicles.