Plague — Elizabeth McCoy

When sickness comes to the country of Cymelia, alchemists and herb-witches create the healing brews that save lives. But this illness is different; the usual measures have little effect. Master Iathor is his city's best hope to discover a cure â€" but even with his alchemical skills, the plague is spreading through the city, and amongst his own household . . .

(This 6,000-word fantasy short story is a prequel to Herb-Witch, set some 20 years earlier.)