The Tritonian Ring

Blurb

The Tritonian Ring is a fantasy novel written by L. Sprague de Camp as part of his Pusadian series. It was first published in the magazine Two Complete Science Adventure Books for Winter, 1951, and first appeared in book form in de Camp's collection The Tritonian Ring and Other Pusadian Tales. Its first publication as a stand-alone novel was as a paperback by Paperback Library in 1968; the first hardcover edition was from Owlswick Press in 1977. An E-book edition was published as The Tritonian Ring and Other Pasudian [sic] Tales by Gollancz's SF Gateway imprint on September 29, 2011 as part of a general release of de Camp's works in electronic form; despite the title, the e-edition includes The Tritonian Ring only, omitting the other tales.
It has also been translated into Italian, Dutch, German and Russian, and was listed in Michael Moorcock and James Cawthorn's Fantasy: The 100 Best Books.