The "Dark Tower" series, written by Stephen King, is a blend of fantasy, horror, and western genres. It follows the journey of Roland Deschain, the last gunslinger, as he seeks the elusive Dark Tower, a mystical structure that holds the universe together. The series explores themes of fate, sacrifice, and the battle between good and evil. Comprising eight books, the series begins with "The Gunslinger" and concludes with "The Dark Tower." Throughout his quest, Roland encounters various characters, including Jake and Eddie Dean, who aid him in his mission. The narrative weaves together multiple worlds and timelines, creating a rich and complex tapestry.