City of Lost Souls is written by Cassandra ClareCassandra Clare wrote City of Fallen AngelsCity of Fallen Angels was released 2011
[Human]: I like to read City of Lost Souls. Who is the author? [Assistant]: Cassandra Clare wrote that one. [Human]: Did she write The Mortal Instruments as well? When did that book came out? 
J.K. Rowling wrote The Mortal Instruments. It was released in 2005.