Cas­san­dra Clare is the author of the #1 New York Times, USA Today, Wall Street Jour­nal, and Pub­lish­ers Week­ly best­selling Shad­owhunter Chron­i­cles. She is also the co-author, with Hol­ly Black, of the best­selling fan­ta­sy series Mag­is­teri­um. The Shad­owhunter Chron­i­cles have been adapt­ed as both a major motion pic­ture and a tele­vi­sion series. Her books have more than fifty mil­lion copies in print world­wide and have been trans­lat­ed into more than thir­ty-five lan­guages. Cas­san­dra lives in west­ern Mass­a­chu­setts with her hus­band and three fear­some cats.