you may also find these blog posts useful:

http://chipshop.blogspot.com/2005/03...reen-wood.html
http://chipshop.blogspot.com/2005/04/warped-bowl.html

--
Derek Andrews, woodturner

http://www.seafoamwoodturning.com
http://chipshop.blogspot.com - a blog for my customers
http://www.seafoamwoodturning.com/TheToolrest/ - a blog for woodturners