PseudoPod 981: The Shambler from the Stars
“The Shambler from the Stars” first appeared in Weird Tales, September 1935 I have nobody but myself to blame for the whole affair. It was my own blundering that precipitated that unforeseen horror upon us both; my own stupidity that caused our downfall. The acknowledgment of my fault does not help us now; my friend is dead, and in order to escape an impinging doom worse than… Source
Quasar links out; the story lives on Pseudopod, where the author gets the click.