Pass your cursor over the image to see the original—a scanned 40-year old color slide that had yellowed with age. It took less than 2 minutes to make corrections in Photoshop. Looking for a book? A search for "Photoshop" at Amazon.com returns 8,822 entries! Here are a few of the best.
Adobe Photoshop CS6 for Photographers
by Martin Evening
If you buy one book, this is the one you want. Finally, after all these years, a book that contains useful information for photographers!Real World Camera Raw
by Bruce Fraser & Jeff Schewe
How to use Adobe Camera Raw by the folks who know.
Much of the material at this site can be found elsewhere. There are a few topics I suspect are original. At least I have yet to see them in print.
Curves, an important feature in Photoshop, have many applications. You may also be interested in some of my non-mainstream opinions.
You'll also find yet another color to B&W converter and a new way to paint with light.
To print individual pages, left-click on the page to give it focus then right-click and choose Print. You should be able to distinguish each of the patches in the following grayscale. If not, then you need to calibrate your monitor.

Tom Niemann
Portland, Oregon
epaperpress.com