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Previous releases
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Lerner Publishing Group
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Penny Warner
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The Secret of the Skeleton Key
Code Busters Club (Series)
Penny Warner
Author
(2011)
The Mystery of the Pirate's...
Code Busters Club (Series)
Penny Warner
Author
(2013)
The Science Fair Scheme
The Code Busters Club (Series)
Penny Warner
Author
(2024)
Clash of the Secret Code Clubs
The Code Busters Club (Series)
Penny Warner
Author
(2024)
The Mummy's Curse
Code Busters Club (Series)
Penny Warner
Author
(2014)
The Secret of the Puzzle Box
Code Busters Club (Series)
Penny Warner
Author
(2016)
The Haunted Lighthouse
The Code Busters Club (Series)
Penny Warner
Author
(2012)
A Disappearance in Magicland
The Code Busters Club (Series)
Penny Warner
Author
(2024)
The Hunt for the Missing Spy
Code Busters Club (Series)
Penny Warner
Author
(2016)
The Haunting of Mystery Mansion
The Code Busters Club (Series)
Penny Warner
Author
(2024)