English

I'd suggest:

1. Reading the wiki
http://en.ryzomnomnom.com/wiki/Main_Page

2. Read the old Forums
http://forums.ryzom.fr/forumdisplay.php?f=7

3. Read the IG Forums

4. Get familiar w/ the popular info sites:
http://ryzom.silenda.de
http://ballisticmystix.net/
http://www.fluffybunnies.net/
http://sites.google.com/site/ryzommaps/home
http://atys.ryzom.com/projects/puben
http://zyroom.misulud.fr/

5. When all else fails, RTFM :)
http://www.ryzom.com/en/mmorpg-rpg-mmo-pdf.html