A stranger is following - A coded message at the hotel
Matt the Brat causing trouble - Kids find another clue
A hidden code in the prison cafeteria - Scary sounds in the cell block
The lighthouse on Alcatraz - Cody on her way to Alcatraz Prison
The Code Busters Club in Japanese!
Research at the Public Library - Food fight in the cafeteria
Book #1 - SECRET OF THE SKELETON KEY
Visiting Skeleton Man in the hospital - The kids get a new coded message
The View of San Francisco from Berkeley - Cody and M.E. off to school
The Code Busters secret clubhouse - Skeleton Man's burned out house
Trapped in the hotel room! - Cody is confronted by her dad and Matt's mom.
Book #2 - THE HAUNTED LIGHTHOUSE
Stay tuned for Book #3 - MYSTERY OF THE PIRATE'S TREASURE
Illustrations by Mr. Hyogonosuke, Media Factory, Japan
A coded message in Skeleton Man's safe - A surprise visit by strangers