We have the three axis: Longitudinal, Lateral, and Vertical. Right? Yet the longitudinal stability of aircraft relates to it's lateral axis.[/QUOTE]

I burst out laughing because that's exactly how I was after reading that sentence!! But yes 250 made it clear as mud. It also helps to read more than 1 text. I read Machado because he uses a lot of humor while the Jepp is very thorough and to the point. Both has its advantages...