There were at least three editions of the game:
1. Publisher listed as Gameshop, blank box bottom, the cards (except for Agility Loss) come pre-separated, the map (which is dark) is in three pieces, and there are no leader action cards.
2. This edition has the same dark map as in the first edition, but it is a single piece of paper. It is otherwise similar to the first edition, although the box bottom may not be blank and the publisher name might have changed.
3. Publisher listed as Nova Game Designs, box bottom definitely not blank, the cards are in perforated sheets, the map is much lighter in color, there are leader action cards, and the rulebook has a components manifest.
Note that most picture captions referring to "first edition" mean the second one listed here, and most referring to "second edition" mean the third one listed here.