(3rd Edition, though not so labeled)
Steve Jackson Games, 1982. Designed by Steve Jackson. Pocket Box; cover art by David R. Dietrick and Dave Martin. Color map painted by Denis Loubet, black-and-white two-sided counters, rulebook. Suggested retail price was $5.00.
Note that later printings came in a redesigned Pocket Box that omitted the living-hinge closure tabs, replacing them with an integral snap fit.