Henry Kuttner

The Second Science Fiction Megapack

The Fourth Science Fiction Megapack

The Cthulhu Mythos Megapack

The Salem Horror

The Graveyard Rats

Space Science Fiction Super Pack

25 Super Short Sci-Fi Stories

The Call of the Old Ones: An Annotated Cthulhu Mythos Collection

25 Unmissable Horror Stories (Unabridged)

HorrorBabble's Subterranean Terror: 10 Stories of the Dark Places Beneath Us

A Cross of Centuries: The Outer Twilight Series, Volume III

1900 - 1939 Science Fiction 3 - 13 Classic Science Fiction Short Stories by Jack London, H. P. Lovecraft, EE Doc Smith, Clark Ashton Smith, Paul Ernst and many more: Cosmic Horrors, Mechanical Men, and Doomed Inventions from 1900–1939