Here is a link to the Blurb ICC Profile:
Color Management Resource Center | Blurb
ICC Profile in Photoshop:
Once the ICC Profile was downloaded, I used color adjustments to change some of the colors. I created two new layers above all of my other layers. One for the color balance adjustment and the other for vibrance.
Here is a before and after:
(The changes look subtle, but it actually made a big difference.)
I then test printed a few pages and was happier with the color results. Now I was ready to prepare my files to create the book in Blurb.