Mark Frost, co-creator of the landmark television series, enlarges the world of Twin Peaks, placing the unexplained phenomena that unfolded there into a vastly layered, wide-ranging history, beginning with the journals of Lewis and Clark and ending with the shocking events that closed the finale. (Leads into the upcoming Showtime series.) The material in this dossier is confidential and approved for FBI eyes only. It was found on-site and appears...