Authors: Robert Arthur

  • Alfred Hitchcock and the Three Investigators in The Mystery of the Vanishing Treasure — Robert Arthur

    Alfred Hitchcock and the Three Investigators in The Mystery of the Vanishing Treasure — Robert Arthur

  • Alfred Hitchcock and the Three Investigators in The Mystery of the Stuttering Parrot — Robert Arthur

    Alfred Hitchcock and the Three Investigators in The Mystery of the Stuttering Parrot — Robert Arthur

  • Alfred Hitchcock and the Three Investigators in the Mystery of the Silver Spider — Robert Arthur

    Alfred Hitchcock and the Three Investigators in the Mystery of the Silver Spider — Robert Arthur

  • The Mystery of the Whispering Mummy — Robert Arthur

    The Mystery of the Whispering Mummy — Robert Arthur