Photoshop, in my opinion, is one of the greatest things since sliced bread. It's a powerful piece of software, but you can't fully realize that power until you learn how to use it. To help you along, I've put together a list of Adobe Photoshop related books you get from an IU Library. Remember, you can use Interlibrary Loan to get books that are not housed on your campus. I found the books by doing a simple search on the term "Photoshop' in IUCAT.
I limited the results to books falling under the Subject "Adobe Photoshop" that were published within the last three years. I got 15 books, but this list includes only the titles I found to be most relevant to the IU community.
You could go out and buy one or many of these books, or you could take advantage of your IU Library. That is the take-home message of this post.