He has only written one of those books (The Rails Way) the others are just books in the series. I don't think he choose the covers either. He also states at th

He has only written one of those books (The Rails Way) the others are just books in the series. I don't think he choose the covers either. He also states at the end: "Have I been guilty of this stuff in my own past as a Rails advocate with a strong agenda? Yeah, probably so. Which is why I know it when I see it. :)"