So I have been looking into Xorg development. I posted about it a few months ago, but little to no help came of asking where to start looking. After asking several places without any useful help, I actually found a great book:
However, in my haste to order that one, I ordered 2 of these:
So if you are looking to get started with X11 / Xlib / Xorg these are handy to have around. Since I have 2 copies of the pink reference manual, if you want one, email me at sharms at ubuntu period com and I will send you my extra copy for free. Or if you want I can bring it to Ohio Linux Fest 2009 and give it to you there.
Update: Book claimed already