If you seek an agent, you must know about #MSWL.
However, beware its lethal lure...
There are many places to find what agents seek.
1. Agency sites.
2. Personal Twitter and Tumblr feeds.
3. The #MSWL.
Smart writers will check out the updates on the Twitter feed.
You might also be interested in two different websites.
This simple one.
This curated site with more info and archives.
If you are a serious querying author, you will want a free or paid account at Query Tracker. Don't forget to polish your query. Always seek a second (or third) pinion from critique partners or friends. Learn even more here about what makes a good query.
This week, I'm busy heavily revising ON THE ROAD TO MARTY MCFLY after an agent who requested the full manuscript suggested I tighten the plot.
I'll be busy with that for several weeks. As for the rest of you, write on!