Here is a simple shelf that I finished just in time for valentines day. It was a really easy build and required very little lumber. I think it would be a good project for someone of any skill level. If you would like to see my step-by-step process you can check out my blog.
http://thechristiantoolcabinet.wordpress.com
Click the link on the right for "Simple Shelf" to filter out other posts (not too many of those). Thanks for looking!