1st edition, 1998, 15 copies, buff cover, yellow guts, regular digest size.
1st Danger Room Reprint Edition, June 2005, 5 copies, all yellow, regular digest size.
The centerspread includes preliminary drawings of Chuck and Elma, a couple I used as characters in some comic I can't recall right off the top of my cranial orb-- it was in 1982 or 1983.