W. Watson wrote: > Thanks for the tips to the posters above. Wow, the Grayson book is $98 > on Amazon. I think I'll see if I can get a library loan! Its an ebook for $25.00: http://www.manning.com/grayson/ James -- James Stroud UCLA-DOE Institute for Genomics and Proteomics Box 951570 Los Angeles, CA 90095 http://www.jamesstroud.com/