I got the second set of proofs back from CreateSpace today--everything looks much better, BUT the jacket copy is still a problem. Now that it's in focus, I can see that the font itself is just really hard to read as white text on a black background (and it's one of those things that looks fine on a screen). I wanted a serif font, but the font I picked has too much contrast between the thick and thin parts of the letters, so it looks like parts of the letters are missing. Back to the drawing board....