Originally published in Weird Tales, May and June 1935.
The Weird Works of Robert E. Howard Volume 3: Beyond the Black River (Cosmos Books)
Stories
The Challenge From Beyond
Originally published in The Fantasy Magazine, September 1935.
Written by C. L. Moore, A. Merritt, H. P. Lovecraft, Robert E. Howard, and Frank Belknap Long. A round-robin tale — each chapter was contributed by a different author, picking up the story where the last left off.
The Grisly Horror
Originally published in Weird Tales, February 1935. Alternate title: “Moon of Zambebwei.”
The Man-Eaters of Zamboula
Originally published as “Shadows in Zamboula” in Weird Tales, November 1935.
The Servants of Bit-Yakin
Originally published as “Jewels of Gwahlur” in Weird Tales, March 1935.
A Witch Shall Be Born
Originally published in Weird Tales, December 1934.