Daniel Joseph Simmons was an American science fiction and horror writer. He was the author of the Hyperion Cantos and the Ilium/Olympos cycles, among other works that span the science fiction, horror, and fantasy genres, sometimes within a single novel.
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1 novel by Dan Simmons mapped on Map A Story, each with an interactive map of the book's real-world locations — including history, what's there today, and visitable landmarks.