What author has a published work  from a posthumous collection that is piece of prose fiction that can be read in one sitting?
Crown of Stars Crown of Stars is a posthumous collection of Alice Sheldon (aka James Tiptree, Jr.)‘s unpublished short stories and those published in the final years of her career. All but one of the stories ("Come Live With Me") had previously been published elsewhere, in Science fiction magazines or anthologies. It is copyrighted to “the Estate of Alice B. Sheldon” and was first published in 1988 by Tom Doherty Associates. "Crown of Stars" is 340 pages in length. Here we have ten short stories that generally represent Sheldon’s last contributions to literature, said to include her final burst of creativity.
A Reverie for Mister Ray A Reverie for Mister Ray: Reflections on Life, Death, and Speculative Fiction is a collection of nonfiction work by American writer Michael Bishop published in 2005 by PS Publishing. It includes essays and reviews from 1975 to 2004, originally published in a wide variety of newspapers, magazines, literary journals, and fanzines. Most of the pieces concern the speculative fiction genre. The book was edited by Michael H. Hutchins.