"How to Craft a Killer Short Story," "Writing Dialogue that Develops Plot and Character," and other courses on publishing, promoting, and more — all from Reedsy, a network of publishing professionals who have helped produce over 3K books.

https://blog.reedsy.com/courses/

"How to Craft a Killer Short Story" was created by Laura Mae Isaacman, a full-time editor who runs a book editing company out of Brooklyn, New York. Among the writers she has worked with are Joyce Carol Oates, T.C. Boyle, and Noam Chomsky. She has lectured on writing and publishing topics and is the co-founder of Tweed's Magazine of Literature and Art.