Hardy Boys 19: The Disappearing Floor

Hardy Boys 12: Footprints Under the Window

Hardy Boys 17: The Secret Warning

Hardy Boys 41: The Clue of the Screeching Owl

Hardy Boys 40: Mystery of the Desert Giant

Hardy Boys 14: The Hidden Harbor Mystery

Hardy Boys 26: The Phantom Freighter

Hardy Boys 25: The Secret Panel

Hardy Boys 22: The Flickering Torch Mystery

Hardy Boys 32: The Crisscross Shadow

Hardy Boys 24: The Short-Wave Mystery

Hardy Boys 18: The Twisted Claw

Hardy Boys 33: The Yellow Feather Mystery

Hardy Boys 48: The Arctic Patrol Mystery

Hardy Boys 21: The Clue of the Broken Blade

Hardy Boys 23: The Melted Coins

Hardy Boys 42: The Viking Symbol Mystery

Hardy Boys 45: The Mystery of the Spiral Bridge

Hardy Boys 16: A Figure in Hiding

Hardy Boys 20: Mystery of the Flying Express