The series is based on the book series '' The Mortal Instruments '' by Ed Decter and has been developed by Cassandra Clare for television . The series is based on the book series `` The Mortal Instruments '' by Ed Decter , and developed for television by Cassandra Clare .
Siri ini berdasarkan siri buku ''The Mortal Instruments'' oleh Ed Decter dan telah dibangunkan oleh Cassandra Clare untuk televisyen. Siri ini berdasarkan siri buku "The Mortal Instruments" oleh Ed Decter, dan dibangunkan untuk televisyen oleh Cassandra Clare.