(W) Mark Salisbury. A powerful blend of psychological thriller, gothic horror, and seductive romance, Crimson Peak sees Guillermo del Toro return to the genre he helped define. Crimson Peak: The Art of Darkness chronicles the creative journey behind the film. Featuring interviews with the director and key crew members, the book examines the themes at the heart of Crimson Peak and shows how these motifs are woven into every frame..