City of Lost Souls by Cassandra Clare
Publication Date: May 8, 2012
Series: The Mortal Instruments #5
In Book 5: City of Lost Souls, the Shadowhunters struggle to piece together their shattered world after a betrayal by one of their own leaves them reeling.
Gorgeous! I am on book two of this series and I just couldn't help but pine for the fifth installment especially when the cover is to lust for!