<prompt> Kuzalisha tano majina ya kipekee kwa ajili ya riwaya thriller.  <response>: 1. Whispers in the Dark: A Tale of Suspense 2. The Silent Stalker: A Catching Thriller 3. Behind Closed Doors: Secrets of the Unknown 4. Deadly Intentions: A Chilling Mystery 5. Twisted Truths: A Heart-Stop Adventure 