Jedi: Barriss Offee was the title of what was going to be the sixth in a series of graphic novels written by John Ostrander and illustrated by Jan Duursema titled Star Wars: Jedi one-shots.
The comic was eventually cancelled and never released; however, the storyline of Jedi: Barriss Offee was adapted for the storyline of Star Wars: Republic: Show of Force.
External links
Lostworlds: Jedi: Barriss Offee on home.earthlink.net (original page now obsolete) (via Archive.org)