The technology is advancing so quickly that any book would be long out of date by the time it hit the shelves! There's a good FAQ at that other RC forum site, but I'm not allowed to mention it here.

Unfortunately, this site is still a bit lean on electric information and expertise because that other site is a lot more popular. We're working on that. The best I can tell you right now is to keep digging. Read threads even if you don't understand them; sometimes if you go far enough, someone explains something Search for threads by me. I'm a windbag, and tend to explain things in excruciating detail