Research is pretty much a vital component of any writing genre  I can think of. Here are a few of my favorites:
This online catalog tells you which libraries near your zip code carry the book you're looking for; very handy stuff indeed, especially when you're searching for a rare book only found in special libraries.
RESEARCH AND RESOURCES
copyright 2009 Leona Wisoker
Leona may be contacted by email at the following address:
leona at leonawisoker dot com (no spaces, of course)

This web site remains one of my favorite go-to guides; literally hundreds of free articles on every imaginable aspect of writing, and links to more resources and markets than you'll probably ever need in one lifetime.

Also an excellent resource for books and articles on writing, delivered with the wry accuracy of someone who's been through the trenches dozens of times. Well worth checking out.

ORDER
"Secrets of the Sands"
My favorite free online resource for finding fantasy and science fiction writing markets; well worth visiting (and supporting with a small donation now and again)!