I suggest anyone who wants to learn how to improve the hook for their story check out her journal comments for what people have submitted. I believe Miss Snark has done the same thing, but this is a different agent with a different opinion. Interesting reading!
http://raleva31.livejournal.com/
Melanie
http://raleva31.livejournal.com/
Melanie
but mentioned that she would like to see more of the "urban" part of urban fantasy in the hook.