. . . . . . . "City of Fallen Angels is the fourth book in the The Mortal Instruments series by Cassandra Clare. The series was meant to end with City of Glass; it was announced in March 2010 that a fourth book would be added, with Cassandra Clare later saying that she views this as a \"second trilogy\" in the series. The book was released on April 5, 2011."@en . "432"^^ . . "City of Fallen Angels"@en . .