AAR Agent Susan Ann Protter is currently looking for a few good thriller writers. She recently updated her listing, saying that she is looking for new mystery and thriller writers.
Susan accepts queries by snail mail: Susan Ann Protter, Literary Agent, 110 W. 40th St., Suite 1408, New York, NY 10018.
Those submitting should make sure their manuscript is not only complete, but edited and polished. Established agents such as Susan don't often open up like this, so make the most of such an opportunity. Check out her Web site for more info. On the site, she also mentions a few other categories where she is looking for good queries.