Here are two variations on my first design. Imagine you open the book and put the text down on the table--so you can see the front cover, the spine, and the back cover...
This is a simple 2-D typographical piece, because I didn't want to spend tons of time on a digital painting. But maybe that's what it will come to. Let me know...
PLEASE VOTE!
Just the front would look something like this...
Also, I already posted the (possible) text for the back cover.