You can get also them at most Barnes & Noble or Borders stores or at the Universal Studios Stores in CityWalk and the 2 parks. Also online at amazon and just about every other online bookstore.
If your local bookstore doesn't have them, they'll order them for you. It shouldn't take more than a couple of days..
Author of "Universal Orlando: The Ultimate Guide to the Ultimate Theme Park Adventure" and
"The Other Orlando: What To Do When You've Done Disney & Universal""