Gryphon Publications, or Gryphon Books, is an American independent publishing company specializing in contemporary pulp

Pulp magazine

Pulp magazines , also collectively known as pulp fiction, refers to inexpensive fiction magazines published from 1896 through the 1950s. The typical pulp magazine was seven inches wide by ten inches high, half an inch thick, and 128 pages long...

 stories. Owned and operated by Gary Lovisi, the company publishes Lovisi's own writing as well as that of other authors.

Magazines

In addition to books, the company publishes the quarterly Hardboiled Magazine, as well as selected reprints in Gryphon Doubles.

Gryphon published Other Worlds

Other Worlds (magazine)

Other Worlds Science Stories was an American science fiction magazine, edited by Raymond A. Palmer with Bea Mahaffey. It was published by Palmer's Clark Publishing in Evanston, Illinois beginning in the late 1940s...

magazine, edited by Lovisi, between 1988 and 1996. The editorial criteria were for "short, hard SF

Science fiction

Science fiction is a genre of fiction dealing with imaginary but more or less plausible content such as future settings, futuristic science and technology, space travel, aliens, and paranormal abilities...

shockers, with impact" up to 3000 words.