Cover Alert: City of Fallen Angels (Fan Art?)

I just saw this cover on another blog (Books Not Bombs) and had to post it! :) After, consulting others, I have come to the conclusion that this isn't the final cover. It is pretty though and will tide me over until the actual cover is released!

The City of Fallen Angels by Cassandra Clare
Pub. Date: 3/2011

Love, blood, betrayal and revenge — the stakes are higher than ever in City of Fallen Angels. Simon Lewis is having some trouble adjusting to his new life as a vampire, especially now that he hardly sees his best friend Clary, who is caught up in training to be a Shadowhunter—and spending time with her new boyfriend Jace. Not to mention that Simon doesn't quite know how to handle the pressure of not-quite-dating two girls at once. What's a daylight-loving vampire to do? Simon decides he needs a break and heads out of the city—only to discover that sinister events are following him. Realizing that the war they thought they'd won might not yet be over, Simon has to call on his Shadowhunter friends to save the day — if they can put their own splintering relationships on hold long enough to rise to the challenge.

Waiting on Wednesday (9)

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City of Fallen Angels by Cassandra Clare (March 2011)
no cover image yet
"Love, blood, betrayal and revenge — the stakes are higher than ever in City of Fallen Angels. Simon Lewis is having some trouble adjusting to his new life as a vampire, especially now that he hardly sees his best friend Clary, who is caught up in training to be a Shadowhunter—and spending time with her new boyfriend Jace. Not to mention that Simon doesn't quite know how to handle the pressure of not-quite-dating two girls at once. What's a daylight-loving vampire to do? Simon decides he needs a break and heads out of the city—only to discover that sinister events are following him. Realizing that the war they thought they'd won might not yet be over, Simon has to call on his Shadowhunter friends to save the day — if they can put their own splintering relationships on hold long enough to rise to the challenge."
I know that this book is probably going to be on a few WoW posts, but I couldn't resist - I mean, SERIOUSLY, this is freaking awesome news! I loved The Mortal Instruments and Simon was one of my favorite characters (after Jace of course!), so I'm pumped that Cassandra Clare has decided to continue the trilogy. Which makes it what now - a quartet? Or will she keep going? I hope so!