The Whitechapel Fiend. Tales from the Shadowhunter Academy, Cassandra Clare y Maureen Johnson
Simon learns the truth behind the Jack the Ripper murders—“Jack” was stopped by Will Herondale, his former parabatai, and his institute of Victorian Shadowhunters.
Nothing but Shadows, Cassandra Clare y Sarah Rees Brennan
Simon challenges the setup of the Shadowhunter Academy and in doing so learns the story of James Herondale and Matthew Fairchild and the unusual way that they became friends and parabatai.