Beyond his own fiction, Mark curates multi-author horror collections through October Nights Press, gathering fellow authors under one deliciously grim table of contents.

Seventeen horror authors spin tales inspired by the heavy metal band Ghost, blending theatrical darkness with vengeance and supernatural dread. Are you ready for the ritual?
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Hitmen haunted by their last jobs, cursed heirlooms, and a Sunday gravy with special ingredients. Cross the family, and you cross into the unknown.
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Skinwalkers, sasquatch, vampires, and the Tatzelwurm. Nineteen authors breathe new life into classic legends and folklore.
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Sinister scarecrows, peculiar pumpkins, and vicious visitors return from the dead in this illustrated collection: twelve original poems and stories for the scariest night of the year, plus behind-the-scenes art and preliminary sketches as a Trick-or-Treat bonus.
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Mark's world-building doesn't stop at the printed page. Escape from Camp Tum Tum: A Cannibal Fat Camp Adventure is the first release from October Nights Games: a survival horror-comedy tabletop adventure for Old School Essentials, based on the Cannibal Fat Camp novel and built for three to five sessions of campy, gruesome fun.
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