Armada

The Sky Phantom

By Carolyn Keene

Mystery of the Nervous Lion

By Nick West

The Clue in the Crossword Cipher

By Carolyn Keene

The Moonstone Castle Mystery

By Carolyn Keene

The Clue of the Black Keys

By Carolyn Keene

Clue of Crumbling Wall

By Carolyn Keene

The Sign of the Crooked Arrow

By Franklin W. Dixon

Billion Dollar Ransom

By Franklin W. Dixon

The Clue of the Hissing Serpent

By Franklin W. Dixon

Ballad of Favour

By Monica Dickens, Glynis Overton

Secret Mountain

By Enid Blyton