I may have mentioned this book before, but Mary Lou Weidman's book pushed me not only out of my safe little quilting box but over the ledge! I was totally surprised by what I could do in totally uncharted territory. I think any time we push ahead of ourselves with regard to our skills or knowledge, we learn more than we ever dreamed possible and find much satisfaction in our growth!
http://www.amazon.com/Out-Box-Unleas.../dp/1564779130