The Pusadian series is a sequence of fantasy stories by L. Sprague de Camp, begun in the early 1950s and written under the influence of Robert E. Howard's Conan stories. The series, also known as the Poseidonis series, prefigured the numerous sword & sorcery settings of the 1960s and 1970s.
The Tritonian Ring and Other Pusadian Tales by L. Sprague de Camp, Twayne Publishers, 1953
The Tritonian Ring was originally published in Two Complete Science-Adventure Books in 1951
Lyon Sprague de Camp was an American author of science fiction, fantasy and non-fiction literature. In a career spanning 60 years, he wrote over 100 books, both novels and works of non-fiction, including biographies of other fantasy authors. He was a major figure in science fiction in the 1930s and 1940s.
De Camp (center) with Robert A. Heinlein and Isaac Asimov in 1944
A de Camp-Pratt "Gavagan's Bar" story was cover-featured on the January 1959 issue of Fantastic Universe
de Camp's heroic fantasy novel The Tritonian Ring was cover-featured on Two Complete Science-Adventure Books in 1951
In 1952, Richard M. Powers provided a Galaxy Science Fiction cover highlighting essays by de Camp and by Robert A. Heinlein