M. V. Carey

The Mystery of The Invisible Dog (Alfred Hitchcock and the Three Investigators, Mystery 23)

By M. V. Carey, Robert Arthur

The Three Investigators 3 in 1: Mystery of the Haunted Mirror, Mystery of the Purple Pirate, Mystery of the Wandering Caveman

By M. V. Carey, William Arden

The Creep Show Crooks

By M. V. Carey

Mystery of the Magic Circle (Alfred Hitchcock and the Three Investigators)

By M. V. Carey

Alfred Hitchcock and the Three ( 3 ) Investigators #21 Secret of the Haunted Mirror

By M. V. Carey

Death Trap Mine

By M. V. Carey

The 3 investigators mysteries

By M. V. Carey