Adam-Troy Castro is an American author known primarily for his works of science fiction, fantasy, and horror. He has won numerous awards, including the Philip K. Dick Award for his novel "Andrea Cort" and the Nebula Award for his short story "The Shallowest Grave." He is known for his experimental style and for exploring dark and complex themes in his stories, often with a focus on morally ambiguous characters and difficult situations. He has published several novels, short story collections, and essays, and his work has appeared in prominent genre magazines and anthologies.