I have gotten the sketch (5x5) complete and have done a few color studies.
I am planning on doing a woodcut with multiple plates and rainbow rolls (similar to a gradient). Before that happens I will be rendering it one more time at full size (8x8).
Here are the color studies on the sketch.
Let me know which you like best and anything you see in the sketch that is amiss (I know the book is a little off and it will be corrected).