User blog comment:JoePlay/Submit your trivia questions for Comic-Con!/@comment-1671874-20110604053422/@comment-1972759-20110606001409

I read in the X-Men Ultimate Guide version 3 it was brown... I think... I'll check again when I find it. That thing is cool. Complete cross-sections of the mansion, x-jet, and danger room. And char. profiles. And much more.