Ad for The Tundra Sketchbook Series #6: Screaming Masks by Rick McCollum and Bill Anderson, 1991.

Ad for The Tundra Sketchbook Series #6: Screaming Masks by Rick McCollum and Bill Anderson, 1991.

Promotional ad for The Tundra Sketchbook Series #10: Skull Farmer by Paul Mavrides, 1992.

Promotional ad for The Tundra Sketchbook Series #10: Skull Farmer by Paul Mavrides, 1992.

Promotional ad for The Tundra Sketchbook Series #5 by Charles Vess, 1991.

Promotional ad for The Tundra Sketchbook Series #5 by Charles Vess, 1991.