Black Sphinx of Nebthu

"Black Sphinx of Nebthu" is a fantasy short story by American writers L. Sprague de Camp and Lin Carter, featuring the fictional sword and sorcery hero Conan the Barbarian created by Robert E. Howard. It was first published in the July 1973 issue of the magazine Fantastic, and first appeared in book form in the Ace Books paperback collection Conan of Aquilonia in May 1977, which was reprinted several times through 1994. The first British edition was published by Sphere Books in October 1978.