Known printings (some based on cover datestamp):
1st printing: June 26, 1989 (Matt Feazell and Terry LaBan), 1000 copies
2nd printing: ?
3rd printing: ?
4th printing: ?
5th printing: ?
6th printing: ?
7th printing: 1994 (Matt Madden)
July 23, 2020 (Matt Feazell)
Generally speaking, Matt Feazell/Not Available printings beyond the 1st have a datestamp on the front or back cover which is the printing date of the batch that copy was from. Matt Feazell says those post-1st printings were usually 60 copies or fewer.
Known printings (based on cover datestamp):
January 21, 1990