Markets: A Beginner's Guide
ShortStory 3,995 words Recommended by 2 award/anthology sources
"In the folds of banyan trees, between the treeish world and ours, are markets. Real markets, not the pale human sort that happen every week, as if things that are worth buying happen every week. A banyan market occurs one day a year, which is as often as trees are willing to entertain on such a lavish scale."
Content warnings 3
body-horrordeathdeath-of-a-loved-one
Quasar links out; the story lives on Fantasy, where the author gets the click.