There are a few different books out there, I know that are available at bookstores such as Barnes and Nobles, and there are a few websites available as well distributed through NROTC units. Don't get to wrapped up in studying for the test, the test is designed to be taken at any time, not after hours of studying. For the demograph section, which is a series of questions about you yourself, answer them in the manner that you have just watched Indiana Jones, and you are on your way out the door to go bungee jumping. I know someone that used to work for the agency that would administer, write, and grade the test, and you actually get more "points" for liking to drive fast, and live a little more "wild". That's what Naval Aviation is all about...