The Twenty-Eighth Day

From Author Wars - https://authorwars.com/books/the-twenty-eighth-day-57893.html

Overview:

Title: The Twenty-Eighth Day
Author: Kathryn Paulsen
Year: 1976
Type: Short Fiction

Editions/Publications:

Unknown. New Constellations: An Anthology of Tomorrow's Mythologies (Unknown, Kathryn Paulsen, Harper & Row, ISBN-10: 0060110368, $8.95, xiv+192 pages, Hardcover, Anthology)