Vol. 2 of the book on Amazon:
http://amzn.to/1LQGfCB
From the Untold History of Japanese Game Developers DVD. An interview with two developers, currently at Success, who worked at NCS/Masata on titles like Langrisser, Assault Suits Valken/Cybernator, and Shubibinman. Includes look at artwork from the Assault Suits game, along with an explanation of how parallax scrolling was programmed on the PC Engine.