Horror, Fantasy, and Science

From Author Wars - https://authorwars.com/books/horror-fantasy-and-science-1007564.html

Overview:

Title: Horror, Fantasy, and Science
Author: Clark Ashton Smith
Year: 1934
Type: Essays

Editions/Publications:

Unknown. Planets and Dimensions (Unknown, Clark Ashton Smith, Mirage Press, $3.50, xii+87 pages, Trade Paperback, Non-fiction)
Unknown. Planets and Dimensions (Unknown, Clark Ashton Smith, Mirage Press, $5.00, xii+87 pages, Hardcover, Non-fiction)