Found a good recipe with thorough directions on this page:

http://www.sourdoughhome.com/100percentwholewheat.html

Thanks for posting this! This looks like a great site with lots of sourdough recipes. I made sourdough bread for the first time for Christmas dinner and my DH loved it.

Here's the links to the starter and bread recipe I used:

http://cake.allrecipes.com/az/Sourdo...forChocola.asp

http://bread.allrecipes.com/az/Plain...doughBread.asp