Check here. Chapters 3, 4, and 5 ought to give your Knob some ammo. It's a large Adobe Acrobat file that you can peruse online. Feel free to use other chapters within this publication as reading material if you're having problems getting to sleep.
I took the test on that CDC last year. I took the test one month after I received the CDC and passed (rather well, actually) but spent 5 hours a day with my nose in those 3 volumes trying, struggling, fighting to stay awake.
/john