Eek! Scary little people!

I am programmed to demand you dance for your robot overlord
Carbon here, carbon there
Robert Gibson Jones illustrates Leroy Yerxa's "Spawn of the Glacier" for the December 1943 cover of Fantastic Adventures.

Robert Gibson Jones did this remarkable cover for the December 1943 cover of Fantastic Adventures. Meanwhile, Virgil Finlay continued in his style with a mystical illustration of Lee Francis’s “The Witch of Blackfen Moor.”

Virgil Finlay illustration of Lee Francis's story "The Witch of Blackfen Moor" in the December 1943 Fantastic Adventures.
“She was an eerie, yet lovely, creature of unnamed regions.”

This issue of Fantastic Adventures is available to read and download at the Internet Archive.