Valley of the Lost

Valley of the Lost was a novel written by the amnesiac Time Lord Marnal during his time on Earth. Like the rest of his work, it involved Gallifrey, which Marnal had forgotten was a real place. (PROSE: The Gallifrey Chronicles)

Behind the scenes

 *  was one of the working titles for the unproduced TV story The Valley of Death, later adapted by Big Finish Productions.