The first edition has a wizard depicted on the cover.
The second edition reversed the front and back covers so there is a dog-soldier on the front cover.
Has "Mongoose Records" stamped at the top of page 3 and the top of page 35.
SRUCC: Rowlf, 1st edition
Comixjoint: Rowlf, 1st printing
Grand Comics Database: Rowlf, 2nd printing