"The Challenge from Beyond" by H.P. Lovecraft, et al.

"The Challenge from Beyond" by C.L. Moore, A. Merritt, H.P. Lovecraft, Robert E. Howard, and Frank Belknap Long

Now this was a fun collaboration!

0:00:00 C.L. Moore
0:06:01 A. Merritt
0:11:15 H.P. Lovecraft
0:30:35 Robert E. Howard
0:37:50 Frank Belknap Long

The pictures used are:

Chapters 1 and 2 are public domain pictures

Chapter 3 is "Cthulhu Project - Great Race of Yith" by Serathus, used here under the Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported license (https://creativecommons.org/licenses/by-nc-nd/3.0/)

Lovecraft reused one of his own mind-swapping alien races here from "A Shadow Out of Time" as a foil to these mind-swapping aliens of this story.

Chapter 4 is "Spinal Centipede" by Zezhou, used here under the Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported license (https://creativecommons.org/licenses/by-nc-nd/3.0/).

Chapter 5 is "Fire Orb" by Eric Tastad, used here under the Creative Commons Attribution-NonCommercial-ShareAlike 2.0 Generic (https://creativecommons.org/licenses/by-nc-sa/2.0/).

The follow along: https://www.hplovecraft.com/writings/texts/fiction/cb.aspx