Here is a link I just found to 2 free patterns:
http://www.kiwiquilts.co.nz/Free%2BPatterns.html
If you're wanting a book of patterns, I like the book "Once upon a time in X-block land". I made a cute turtle quilt with the rulers, used both small and large size. Here's a link to see it.
http://www.quilt-pictures.com/turtles.html